Health
Why vaccines are injected in your upper arm muscle, and not in your veins – ABC News
16 million COVID-19 jabs have been administered to deltoids around the world. By why inject into muscle? Why not straight in a vein — or even up the nose?
Around the world, more than 16 million sleeves have rolled up for the first COVID-19 vaccinations, and Australia will start its program next month.
Like most adult jabs, this slew of vaccines including those developed by Oxford University and AstraZeneca and Pfizer and BioNTech are injected into the deltoid: the thick, fleshy muscle of your upper arm.
Despite using a raft of different technologies, COVID-19 vaccines all aim to do the same thing: introduce our immune system to antigens specific…
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