1. The #Moderna vaccine, just like Pfizer/BioNTech, is a messenger RNA vaccine. #SARSCoV2 is covered w/Spike proteins that it grabs human cells with. The vaccine consists of small genetic material "messenger RNA" that instructs the human cell to make a part of the Spike protein🧵
2. The mRNA is encased in a formulation of fatty material that helps it get inside our cells. There, it's "translated" into a piece of the Spike protein which activates our immune system to make antibodies & T cells so when we're exposed to the live virus, we can clear it.
3. mRNA vaccines do not contain the virus itself—just the Spike portion—& pose no risk of infection. Moderna and Pfizer's early results showed those w/ 2 injections had about 90% fewer cases of symptomatic #COVID19 than those who got the placebo.
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