During this hard time we are fortunate to have access to not one, but three vaccines. However which is best for you? So far what is known about the vaccines is that the efficiency rates shown from the Pfizer vaccine showed efficacy of 95% at preventing symptomatic Covid infection after two doses. The Moderna vaccine was 94.1% effective at preventing symptomatic Covid-19 after the second dose. However, Johnson and Johnson had many trials ranging of different percentages.
Restrictions on each vaccine. The age that you have to be to get the vaccines are as following, the Pfizer vaccine has been authorized for use for people aged 16 and older. Moderna’s has been cleared for use in people 18 and older, though the company is now testing its vaccine in 12- to 17-year-olds. J&J’s vaccine has been tested in people 18 and older, and that’s who it was authorized for.
Whats inside the vaccines? Both the Pfizer and Moderna vaccines are made using messenger RNA technology that delivers a bit of genetic code to cells, basically a recipe to make the surface protein (known as spike) on the SARS-2 virus. The proteins made with the mRNA instructions activate the immune system, teaching it to see the spike protein as foreign and develop antibodies and other immunity weapons to fight against it. However Johnson and Johnson, vaccine uses a different approach to instruct human cells to make the SARS-2 spike protein, which then triggers an immune response. It is what’s known as a viral vectored vaccine.