Berkeley Lovelace Jr Data from Israel on the effectiveness of Covid-19 vaccines over time is causing U.S. health leaders to rethink their position on vaccine booster shots in the U.S., NIH Director Dr. Francis Collins said Tuesday. Israel released new data Monday showing a reduction in the effectiveness of Pfizer’s Covid vaccine against severe illness...
Reviewed by Emily Henderson, B.Sc.Nov 11 2020 Pfizer’s announcement on Monday that its COVID-19 shot appears to keep nine in 10 people from getting the disease sent its stock price rocketing. Many news reports described the vaccine as if it were our deliverance from the pandemic, even though few details were released. There was certainly something to crow...
