Immune response may vary with choice of COVID-19 booster
Dec 16, 2021
All seven vaccines tested boosted immunity following two doses of ChAdOx1 nCoV-19; six of seven did so following two doses of BNT162b2.
mRNA Vaccine more effective booster to ChAdOx1 nCoV-19
Oct 22, 2021
“Our study shows a greater risk reduction for people who received an mRNA vaccine after having received a first dose of a vector-based, as compared to people having received the vector-based vaccine...
Israel will give fourth COVID-19 shot to people older than 60, health workers
Jan 03, 2022
About 60% of Israel’s 9.4 million people are fully vaccinated with either a recent second dose or booster dose.
Paxlovid soon will not be free for Americans
Dec 07, 2022
At this point, about 6 million Americans have taken free Paxlovid doses.