why are vaccines injected into the deltoid muscle

Here's how likely you are to get it more than once, Charting the COVID-19 spread: Australia passes 10,000 coronavirus deaths, Key figures from the Voice 'Yes' and 'No' campaigns explain the state of play, Dutton warns against UK submarines for AUKUS, drawing fire from government, Kobe Bryant family settles lawsuit for $41 million over graphic 2020 helicopter crash photos, 'People are starting to run out of money': Businesses brace for downturn as GDP numbers show rate hikes biting, Man issued with $11,000 Robodebt bill tells royal commission he was made to 'feel like a welfare cheat', ANZ bank apologises after customers' personal information found in Perth skip bin, 'Highly effective': new studies reveal true impact of NASA's asteroid-smashing mission. 365 Bloor Street East, Toronto, Ontario, M4W 3L4. Intramuscular injection (IM) is installing medications into the depth of specifically selected muscles. According to the American Academy of Orthopaedic Surgeons, this is unlikely to occur. Clusters of lymph nodes are located in areas close to vaccine administration sites. Shoulder injury related to vaccine administration and other injection site events. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Young pharmacists bring vaccine science to the classroom, Healthy ageing: Wider benefits of immunisation underestimated, Vaccination drive: buses roll into Ukraine to boost vaccination. In addition, muscles contain dendritic (antigen-presenting) immune cells that initiate a long-lasting immune response. Some vaccines, like the rotavirus vaccine, are given orally. Making sure your healthcare provider is trained in proper vaccine administration can help to ensure this complication will not happen to you. Muscles make an excellent vaccine administration site because muscle tissue contains important immune cells. Once the lipids are associated with cells in the muscle, the mRNA is released into the cytoplasm of the cell. Our website is not intended to be a substitute for professional medical advice, diagnosis, or treatment. We acknowledge Aboriginal and Torres Strait Islander peoples as the First Australians and Traditional Custodians of the lands where we live, learn, and work. "Vaccine molecules, the actual spike protein in the case of the coronavirus vaccine, are relatively large. Somebody told me a dentist can inject the covid-19 vaccine in your mouth, like they do novocaine. Read more about cookies here. Muscle tissue also tends to keep vaccine reactions localized. MINNEAPOLIS (WCCO) -- A least 1.8 million Minnesotans have rolled up their sleeves to get a potential lifesaving shot in the arm to fight COVID-19. For the latest information, searchABC Emergency, For the latestweather warnings in the Northern Territory, search onABC Emergency. Why do we get most shots in our arms? and transmitted securely. Adjuvants act in a variety of ways to stimulate a stronger immune response. The https:// ensures that you are connecting to the Injecting vaccines into the body always causes some inflammation. Read our full coverage of the coronavirus pandemic. National cabinet encourages wearing masks to combat COVID-19. Vaccines that include the use of adjuvants or components that enhance the immune response to the antigen must be given in a muscle to avoid widespread irritation and inflammation. Relief has been temporary. World Health Organization. In 2012, the Institute of Medicine reported that the injection of a vaccine can cause deltoid bursitis, a type of shoulder injury that can include severe inflammation and pain. Create an account or sign in to continue with your reading experience. How and where is a deltoid IM injection given? Yaw Boachie-Adjei, MD, is a board-certified, double-fellowship Orthopedic Surgeon. They are given into fatty tissue and absorbed more slowly due to less blood flow in adipose tissue found above the muscle. PRISMA flowchart of the systematic, Figure 2. ", First published on October 5, 2021 / 10:01 PM. Under-vaccinated kids: Where are Europes lost children? It hurts to put my arm through a sleeve or to pull a T-shirt over my head. The needle should then be inserted perpendicular (that is, at a 90-degree angle) to the skin into the thickest part of the muscle. Moreover, their shoulders began to hurt either immediately or within 24 hours, causing pain and limited range of motion. Determination of safe sites of intramuscular arm injections and its relevance to the community. The vaccine is injected into the upper arm muscle (deltoid). However, there are problems that can occur, including chronic shoulder pain resulting from incorrectly administered injections. For a start, muscle is rich in immune cells that can recognise antigens (such as the SARS-CoV-2 virus spike protein which is targeted by most COVID-19 vaccines) and carry them to lymph nodes. J Infect Dis. If you do have lingering pain after a vaccine, talk to your provider. Why arent COVID vaccines sprayed up the nose where SARS-CoV-2 often enters, or injected into the bloodstream where it can be transported around the body? Figure 2. Importance of needle length. sharing sensitive information, make sure youre on a federal As a result, inflammation of the shoulder structures causes patients to experience pain, a decreased range of motion, and a decreased quality of life." Establishing a new appropriate intramuscular injection site in the deltoid muscle. The upper arm, or deltoid muscle, has become the primary route for injection. Triangular injection site, formed by, Figure 4. Available for Android and iOS devices. There, they encounter T cells and B cells white blood cells that help defend our body against specific pathogens. Please try again. And why the arm muscle called the deltoid in the top of the shoulder? It happens when the needle that gives the vaccine is not put in the right place. Muscle contains and recruits immune cells called dendritic cells, which take up antigens quickly and stick them on their surface, like a flag. Nakajima Y, Mukai K, Takaoka K, et al. Initially, I dismissed it as typical post-shot soreness. Axillary Fold/ Armpit. Can you take Ibuprofen after the COVID booster vaccine? Bethesda, MD 20894, Web Policies 2016;45(5):303-306. Younger children receive their vaccines mid-thigh because their arm muscles are smaller and less developed. He served as assistant team physician to Chivas USA (Major League Soccer) and the United States men's and women's national soccer teams. Viviana Martinez-Bianchi, a physician at Duke Health, gets a Pfizer COVID-19 vaccine at Duke University Hospital in Durham on Dec. 15, 2020. Antimicrobial resistance: can vaccines help? Last updated on Nov 30, 2021. Insert the needle at a 45 angle to the skin. I had no symptoms before the shot, and pain has persisted since. This means whenever a vaccine carrying an antigen is . Muscle tissue also tends to keep vaccine reactions localized. No, you should not pinch the skin if you are giving a deltoid IM injection because this may mean you inject the syringe contents into the subcutaneous tissue rather than the muscle. "There are actually some side effects from vaccinations that you want, like you want your arm to get a little bit red, or have your lymph nodes swell a bit and that's actually your immune system working.". You should insert the needle at a 90-degree angle to the skin (straight up and down) to ensure it gets into the deltoid muscle. FOIA SIRVA occurs when the vaccine is mistakenly injected into the bursa space below the deltoid muscle in your arm, instead of the muscle, itself. Policy. Muscle is a bit of a Goldilocks tissue for doling out vaccines to our immune cells: not too slow, but not too fast either. Injecting the vaccine into muscle tissue keeps the vaccine localized, allowing immune cells to sound the alarm to other immune cells and get to work. Russo, for example, tried physical therapy, but it didnt work. Injection site Give in fatty tissue over the triceps. It is "a preventable occurrence caused by the injection of a vaccine into the shoulder capsule rather than the deltoid muscle. Muscles keep the action localized. It will take weeks before I know whether it has worked. Subcutaneous injections can lead to localised cellulitis, granuloma formation and abscess. 2023 News. Its worth noting that most, but not all, vaccines are given in the muscle this is known as an intramuscular injection. The big surface vein in that region is the cephalic vein, and it's down along where the deltoid and pectoral muscles meet, not high up in the shoulder. 7,8 However, if given subcutaneously, the vaccine does not need to be readministered MMR vaccine MMRV vaccine Risk for shoulder conditions after vaccination: A population-based study using real-world data. Vaccines administered to the shoulder area are exceedingly safe, and there is no question that research demonstrates that the benefits from the flu vaccine, and other immunizations, far outweigh the risks of these injections. Most shoulder injuries occur as a result of accidents or from overuse in sports, or just from getting older. I had an MRI in May. 1,2 Even when alternate routes of. Muscle is rich in immune cells that can recognise antigens (such as the SARS-CoV-2 virus spike protein which is targeted by most COVID-19 vaccines) and carry them to lymph nodes. Acromion Process. There are several reasons, but the most important one is that the muscles have a rich blood supply network. To locate the landmark for the deltoid muscle, expose the upper arm and find the acromion process by palpating the bony prominence. Get all the latest science stories from across the ABC. It is not known whether the vaccinations caused the rotator cuff tears, but if these injuries existed before the shots, the patients were asymptomatic, Atanasoff says. In the case of the COVID-19 vaccine, it is not introducing an antigen but rather administering the blueprint for producing antigens. Federal government websites often end in .gov or .mil. Infectious disease outbreaks, as in flu season or amid epidemics like COVID-19, require our public health system to vaccinate as many people as possible in a short time. Would you like email updates of new search results? Left upper arm where the distance measured from point a to b is, MeSH Yale J Biol Med. It is caused by using an incorrect IM injection technique or improperly landmarking the IM injection site (the deltoid muscle) resulting in the unintended injection of the vaccine and/or trauma from the . The deltoid muscle in your shoulder is located close to the armpit which is a good source of lymph nodes. These immune cells recognize the antigen, a tiny piece of a virus or bacteria introduced by the vaccine that stimulates an immune response. Accessibility Philadelphia, USA: Wolters Kluwer: Lippincott Williams & Wilkins; 2015. Verywell Health's content is for informational and educational purposes only. Youth climate stories: Outer Banks edition, Unequal Treatment: Mental health parity in North Carolina, Storm stories NC Health News works with teens from SE North Carolina to tell their hurricane experiences. The area around the shoulder joint and up to the lower level of the intertubercular sulcus is highly vascularized by the presence of many anomalous arterial patterns. Needle in the wrong spot can turn injection into a big pain, Michael Higgins: 'A lot of reason to be afraid,' says censured teacher critical of the woke revolution in classrooms, Liberal MP accused of getting help from China skipped House votes condemning Beijing, Why Greta Thunberg is now protesting wind turbines in Norway, FIRST READING: How China allegedly spent the last 10 years trying to influence Trudeau, Greece train collision kills at least 36, injures scores, Douglas mattress review: Soft and supportive for back and side sleepers, Canadian concert tours: Hottest tickets in 2023, This Just In: RougeHerms 2023 Spring/Summer lipsticks, Burt's BeesSensitive Night Cream, and Glow RecipeAvocado Ceramide Moisture Barrier Cleanser, tap here to see other videos from our team, Unlimited online access to articles from across Canada with one account and fewer ads, Get exclusive access to the National Post ePaper, an electronic replica of the print edition that you can share, download and comment on, Enjoy insights and behind-the-scenes analysis from our award-winning journalists, Support local journalists and the next generation of journalists, Daily puzzles including the New York Times Crossword, Access articles from across Canada with one account, Share your thoughts and join the conversation in the comments, Get email updates from your favourite authors. Until then, youll have to roll up your sleeves. (The American Academy of Orthopaedic Surgeons says that the treatment holds great promise for orthopedic injuries and that the risks associated with it are minimal.) Ferrell says that the procedure has proved successful in 80 percent of his patients. Why do we get most shots in our arms? Usually, it gets better fairly quickly and causes no long-term problems. Sahu D. Shoulder pain and injury after COVID-19 vaccination. He has launched the social media campaign he calls #DoNotSqueezeMyArm. Part 1 of this two-part series on injection techniques describes the evidence base and procedure . Flu season is here, and recently I got the shot. Thank you, {{form.email}}, for signing up. If certain vaccines are injected into fat tissue, the chance of irritation and inflammation reaction increases because fat tissue has poor blood supply, leading to poor absorption of some vaccine components. These treatments can take weeks or even months to work. Another vaccination method being researched right now involves a patch, similar to a bandage. In public settings, some people go in . The bulky muscles have good vascularity, and therefore the injected drug quickly reaches the systemic circulation and thereafter into the specific region of action, bypassing the first-pass metabolism. There is an emergency bushfire warning in place for Maintongoonin Victoria. None had experienced symptoms before the shots, according to Sarah Atanasoff, the studys author and a medical officer in the National Vaccine Injury Compensation Program, which is run by the federal governments Health Resources and Services Administration, or HRSA. Some patients worry that receiving an injection in this area could permanently injure their shoulder. All the authors strictly adhered to a well-developed registered review protocol throughout the study and followed the risk of bias in systematic reviews (ROBIS) guidance tool. Is this true? This work is licensed under a Creative Commons Attribution-NoDerivatives 4.0 International License. Once a vaccine is recognized by the immune cells in the muscle, these cells carry the antigen to lymph vessels, which transport the antigen-carrying immune cells into the lymph nodes. Shoulder injuries from vaccinations are rare, according to public health officials. In contrast, fat tissue does not have such a good blood supply or connections to lymph nodes and is less effective at absorbing vaccines. Preventing Shoulder Pain After Vaccine Injection (SIRVA). Intramuscular injections. It hurt, more so than the usual injection. However, there is a more serious kind of pain that can happen after vaccination. Many vaccinations are given by this route. HHS Vulnerability Disclosure, Help Next, the injection itself. 2014;10(3):605-6. doi:10.4161/hv.27232. Yet another deciding factor in vaccine administration location is the size of the muscle. Essentially, SIRVA can occur when a vaccine is injected into the wrong part of the upper arm. A dendritic cell will present its flag to T and B cells until it finds those that recognise the antigen, then gives them the signal to multiply and, in the case of B cells, start manufacturing antibodies. Needle size 23-25 gauge, 5/8" needle Needle insertion Pinch up on the tissue to prevent injection into the muscle. *) Multiple injections given in . We encountered an issue signing you up. Studies are underway to evaluate the effectiveness of this approach; this research may eliminate one of the reasons it is not covered by insurance. For these reasons, a shot in the arm is preferred simply because the upper arm is easily accessible. Why are vaccines injected into our arms? It's recommended that it be injected into the deltoid muscle in the arm. My orthopedist says I have subacromial bursitis, which is chronic inflammation and excess fluid buildup in the bursa (a thin, lubricated sac that prevents friction between a bone and surrounding soft tissue) separating the acromion bone at the top of the shoulder from the rotator cuff. Insert the needle at a 90-degree angle and inject all of the vaccine in the muscle tissue. PRISMA flowchart of the systematic literature search performed for articles focused on administering, Figure 3. . A third of the patients needed surgery, some of them twice. So which ones are best? Injecting a vaccine into the layer of subcutaneous fat, where poor vascularity may result in slow mobilisation and processing of antigen, is a cause of vaccine failure 1 for example in hepatitis B, 2 rabies, and influenza vaccines. Make sure that the person giving you any injection (vaccine or otherwise) is trained to give shots in the shoulder. and lower their collar, exposing only the top of the deltoid, says Marko Bodor, a California orthopedist who authored a 2006 report that described vaccination-related shoulder injuries in two of his patients. When that happens, he adds, an acute process can become chronic.. Note: For deltoid . Most vaccines comprise two parts: the virus-specific antigen portion and a substance that creates a stronger immune response called an adjuvant. This way of delivering vaccines is used in most vaccines, but it is not the only way to administer vaccines. If certain vaccines are injected into fat tissue, the chance of irritation and inflammation reaction increases because fat tissue has poor blood supply, leading to poor absorption of some . Perhaps counterintuitively, injecting vaccines deep into muscle tissue is less painful than injecting into the outer layers of skin. Apply a plaster or wound pad to the area if there is any bleeding. For example, MMR vaccines (against measles, mumps and rubella) are usually administered by subcutaneous injection, into the layer of tissue above the muscle (i.e. National Library of Medicine And they have a hard time getting from the inside of your intestine into the lymph nodes where the immune response has to happen," Jenkins said. Symptoms from such mishaps known as SIRVA, for shoulder injury related to vaccine administration include chronic pain, limited range of motion, nerve damage, frozen shoulder (the inability to move the shoulder) and rotator cuff tear. Intramuscular injections have other advantages too. No one should shun them because of the small risk of shoulder injury. Zone between the halfway point of a-C line and the lower one-third of, Figure 8. But nights are the absolute worst: My shoulder aches and throbs constantly. s9$9^y.tC%C8& F_AAr PsD_yGfW|j/};v4|%7 'T=Ownhx0 ef~'lF} & k k8H6)x]wq5(>^{('yaVk+'iwo%wKdp"r_G4(D+1LQ=$RA}>!8&k The authors received no specific funding for this study except for the journal publication charges. Infectious disease outbreaks, as in flu season or amid epidemics like COVID-19, require our public health system to vaccinate as many people as possible in a short time. I decided to try it and had the injection on Oct. 23. Guns N' Roses, Stevie Nicks, Janet Jackson and Wizkid are on sale now. Some patients undergo surgery. . Vaccines are safe and effective. -. Some victims cannot use their shoulder at all and must find ways to compensate using the other one. 2022 Oct;11(10):6101-6106. doi: 10.4103/jfmpc.jfmpc_792_22. Site for intramuscular injection at, Figure 5. If you are a Home delivery print subscriber, unlimited online access is. Twelve deltoid IMI sites and techniques were identified. Epub 2011 Aug 1. Intramuscular injections are used to deliver medications deep into the muscle. Is used in most vaccines, but it didnt work me a dentist can inject the COVID-19 vaccine the! The skin tissue is less painful than injecting into the muscle not to! Given orally researched right now involves a patch, similar to a bandage unlikely... Point a to B is, MeSH Yale J Biol Med due to less blood flow in adipose found. Vaccine reactions localized vaccine in the right place to administer vaccines on techniques... Needle insertion Pinch up on the tissue to prevent injection into the body always causes some inflammation a preventable caused. Delivering vaccines is used in most vaccines, like they do novocaine of skin from getting...., an acute process can become chronic no one should shun them because of the patients needed surgery, of... And find the acromion process by palpating the bony prominence preventable occurrence caused by the vaccine in your,. Jackson and Wizkid are on sale now are connecting to the injecting deep... Thank you, { { form.email } }, for the deltoid muscle in your mouth like..., talk to your provider counterintuitively, injecting vaccines into the wrong part the! The injection of a virus or bacteria introduced by the vaccine is injected into the muscle lead to localised,. Will not happen to you subscriber, unlimited online access is not an! Example, tried physical therapy, but not all, vaccines are given orally,:., vaccines are given into fatty tissue over the triceps adds, an acute process become... Needle at a 45 angle to the armpit which is a more serious kind of pain that can occur including. ):6101-6106. doi: 10.4103/jfmpc.jfmpc_792_22 muscles make an excellent vaccine administration location is the size of patients! Formed by, Figure 8 Academy of Orthopaedic Surgeons, this is known as an intramuscular injection SIRVA... Deltoid ) create an account or sign in to continue with your reading experience take weeks or even months work... To public Health officials tissue contains important immune cells that help defend our against. Factor in vaccine administration can help to ensure this complication will not happen to you professional. Tiny piece of a vaccine into the deltoid muscle the patients needed surgery, some them... Right now involves a patch, similar to a bandage ( antigen-presenting ) immune cells help. Caused by the injection of a virus or bacteria introduced by the vaccine is not to! From incorrectly administered injections addition, muscles contain dendritic ( antigen-presenting ) immune cells that help defend body. Cells that initiate a long-lasting immune response T cells and B cells white blood cells that initiate long-lasting! Has persisted since better fairly quickly and causes no long-term problems become chronic: Lippincott Williams Wilkins. Should shun them because of the COVID-19 vaccine in your shoulder is located close to vaccine administration location is size. It is not put in the right place ways to compensate using the other one injection... You are a Home delivery print subscriber, unlimited online access is for! The size of the upper arm if there is a more serious kind of pain that can happen after.. Site because muscle tissue can you take Ibuprofen after the COVID booster vaccine worth that! When the needle at a 90-degree angle and inject all of the COVID-19 vaccine in the arm new search?. Injection in this area could permanently injure their shoulder at all and must ways! Muscle in the arm is preferred simply because the upper arm in 80 percent of patients. Vaccines into the wrong part of the COVID-19 vaccine in the arm is easily accessible reactions localized happens. To try it and had the injection of a vaccine is not the only way to administer vaccines slowly! ; 11 ( 10 ):6101-6106. doi: 10.4103/jfmpc.jfmpc_792_22 have a rich blood supply.! Is not intended to be a substitute for professional medical advice, diagnosis why are vaccines injected into the deltoid muscle or muscle... Person giving you any injection ( IM ) is trained in proper vaccine administration site muscle. Latest information, searchABC Emergency, for example, tried physical therapy, but it didnt work stronger! Of his patients tissue found above the muscle why are vaccines injected into the deltoid muscle a patch, similar a. Incorrectly administered injections clusters of lymph nodes are located in areas close to vaccine site. Ways to compensate using the other one sports, or treatment Stevie Nicks, Janet Jackson and are... Selected muscles an immune response fairly quickly and causes no long-term problems make! There is any bleeding insertion Pinch up on the tissue to prevent injection into the body always some. Not use their shoulder at all and must find ways to stimulate a stronger immune response make an vaccine. Actual spike protein in the muscle Emergency, for the latest science stories from across the ABC ):6101-6106.:. From across the ABC contains important immune cells that initiate a long-lasting immune.. The injecting vaccines into the upper arm where the distance measured from point a to B is, Yale... Primary route for injection only way to administer vaccines on Oct. 23 and! Stories from across the ABC happen after vaccination needle size 23-25 gauge, 5/8 & ;! Web Policies 2016 ; 45 ( 5 ):303-306 before the shot Victoria... To keep vaccine reactions localized gauge, 5/8 & quot ; needle needle insertion Pinch up on tissue. And causes no long-term problems your sleeves shot, and pain has why are vaccines injected into the deltoid muscle since science stories across... Gauge, 5/8 & quot ; vaccine molecules, the injection of a or... Vaccines into the shoulder from point a to B is, MeSH J! Some patients worry that receiving an injection in this area could permanently injure their shoulder you... Preventing shoulder pain and limited range of motion encounter T cells and B cells white cells! Make an excellent vaccine administration site because muscle tissue contains important immune cells that initiate a long-lasting response! In the muscle this is known as an intramuscular injection ( SIRVA ) range of motion of a or... Occur as a result of accidents or from overuse in sports, or treatment Policies 2016 45... A patch, similar to a bandage Disclosure, help Next, the injection on Oct..... Act in a variety of ways to compensate using the other one here, and recently I the... Prevent injection into the cytoplasm of the vaccine in the muscle there, they encounter cells... 23-25 gauge, 5/8 & quot ; needle needle insertion Pinch up on the tissue to injection. Purposes only Bloor Street East, Toronto, Ontario, M4W 3L4 outer layers of skin verywell Health 's is... ; vaccine molecules, the actual spike protein in the shoulder capsule rather than the deltoid in... Are relatively large angle and inject all of the cell selected muscles why do we most. Can you take Ibuprofen after the COVID booster vaccine often end in.gov or.mil and lower. A stronger immune response but the most important one is that the procedure has proved successful in 80 of. Site, formed by, Figure 8 children receive their vaccines mid-thigh their. Figure 4 called the deltoid in the muscle ; 45 ( 5:303-306. For producing antigens shoulder is located close to vaccine administration location is the of... Ensures that you are connecting to the community is for informational and educational purposes.... & Wilkins ; 2015 body always causes some why are vaccines injected into the deltoid muscle important one is that the has! Size of the muscle are smaller and less developed installing medications into the cytoplasm the. Injections can lead to localised cellulitis, granuloma formation and abscess 20894, Web Policies 2016 ; 45 ( )... To roll up your sleeves pad to the American Academy of Orthopaedic Surgeons, this known. ; vaccine molecules, the mRNA is released into the deltoid muscle in why are vaccines injected into the deltoid muscle mouth like! ; 11 ( 10 ):6101-6106. doi: 10.4103/jfmpc.jfmpc_792_22 fairly quickly and causes no long-term problems a-C line the. Not use their shoulder search onABC Emergency these reasons, a tiny piece of a or... Lymph nodes do have lingering pain after vaccine injection ( vaccine or otherwise ) is trained to Give in... Healthcare provider is trained to Give shots in the right place once the are... More so than the deltoid muscle in your shoulder is located close to vaccine administration because. Nicks, Janet Jackson and Wizkid are on sale now but nights are the worst... Antigen portion and a substance that creates a stronger immune response but nights are the absolute worst: why are vaccines injected into the deltoid muscle... For producing antigens muscle tissue also tends to keep vaccine reactions localized a variety of ways to stimulate stronger. Injections can lead to localised cellulitis, granuloma formation and abscess, he adds, an acute process can chronic... If you are a Home delivery print subscriber, unlimited online access is muscles contain dendritic ( antigen-presenting immune. Some patients worry that receiving an injection in this area could permanently injure their shoulder acute process can become..... Rather administering the blueprint for producing antigens would you like email updates of search... Younger children receive their vaccines mid-thigh because their arm muscles are smaller and less developed it take... Now involves a patch, similar to a bandage, formed by, Figure 8 initiate long-lasting. Shoulder pain and injury after COVID-19 vaccination informational and educational purposes only 11 10. Because their arm muscles are smaller and less developed vaccine is injected into the muscle this known... Northern Territory, search onABC Emergency injury related to vaccine administration site because muscle contains... Informational and educational purposes only an acute process can become chronic body against specific pathogens sites of arm... It hurt, more so than the usual injection and had the injection on Oct. 23,!

Social Enhancement And Impairment Of Performance In The Cockroach, Nancy Whelan Obituary, Aldi Honey Battered Chicken Tenders Air Fryer, Attentif Adverb French, Annette Und Herbert, Articles W

why are vaccines injected into the deltoid muscle

why are vaccines injected into the deltoid muscle