PFIZER
WHEN WAS IT APPROVED? December 11, 2020
WHO CAN GET IT? Everyone 16 years or older
DOSAGE: 2 doses, with a separation of 21 days
HOW IT WORKS? Uses messenger RNA to supply some of the virus’s genetic code to “teach” the body to produce a protein that causes the production of antibodies
WHEN EFFECTIVE IS …
AFTER 2 DOSES: 95% effective in disease prevention; 100% effective in preventing death from COVID-19; 87% effective in preventing hospitalization
AFTER THE FIRST DOSE: (not recommended) ~ 46% effective in preventing infection seven or twenty days later; 57% effective against symptomatic disease; 72% effective in preventing death; 74% effective against hospitalization; 62% effective against serious illnesses (based on real-world data from Israel)
AGAINST THE VARIANTS OF …
United Kingdom – B117: No significant impact
South Africa – B1351: 10% less effective; still protective
Brazil – P1: 10.4 times weaker antibodies; still protective
MODERN
WHEN WAS IT APPROVED? December 18, 2020
WHO CAN GET IT? Everyone 18 years of age or older
DOSAGE: 2 doses, with a separation of 28 days
HOW IT WORKS? Uses messenger RNA to supply some of the virus’s genetic code to “teach” the body to produce a protein that causes the production of antibodies
WHEN EFFECTIVE IS …
AFTER 2 DOSES: 94% effective in disease prevention; 100% effective in preventing death from COVID-19; 89% effective in preventing hospitalization
AFTER THE FIRST DOSE: (not recommended) ~ 80% effective, based on test data
AGAINST THE VARIANTS OF …
United Kingdom – B117: No significant impact
South Africa – B1351: 10% less effective; still protective
Brazil – P1: More data needed
JOHNSON & JOHNSON
WHEN WAS IT APPROVED? February 27, 2021
WHO CAN GET IT? Everyone 18 years of age or older
DOSAGE: 1 dose
HOW IT WORKS? Use an inactivated and harmless cold virus to transport a piece of ear protein to the body to teach it how to fight SARS-CoV-2
WHEN EFFECTIVE IS …
AFTER A SINGLE DOSE: 72% worldwide; 86% in the US
AGAINST THE VARIANTS OF …
United Kingdom – B117: No significant impact
South Africa – B1351: 64% effective
Brazil – P1: 85% effective