Vaccination

Pfizer says COVID booster shot 95.6% effective

A booster shot of the anti-COVID-19 vaccine developed by Pfizer/BioNTech is 95.6 percent effective against symptomatic infection, according to trial data published by the makers on Thursday.

Vaccination

Israel says US booster plan supports its own aggressive push

Israel is pressing ahead with its aggressive campaign of offering coronavirus boosters to almost anyone over 12 and says its approach was further vindicated by a U.S. decision to give the shots to older patients or those ...

Vaccination

CDC advisers try to work out the details on booster shots

With booster doses of Pfizer's COVID-19 vaccine now authorized in the U.S., government advisers reconvened on Thursday to tackle the most contentious question yet: Exactly who should roll up their sleeves right away?

Vaccination

Mayo Clinic Q and A: COVID-19 vaccine boosters and third doses

DEAR MAYO CLINIC: Both of my parents have been vaccinated for COVID-19. The doctor told my mom she is eligible for a third dose of a COVID-19 vaccine, but my dad is not eligible for a booster now. Can you explain who needs ...

Vaccination

The difference between COVID-19 'third doses' and 'boosters'

As hospitalizations surge nationwide due to unvaccinated patients with COVID-19, vaccines are a crucial tool to prevent severe disease and overwhelmed hospital systems. More than 378 million doses of COVID-19 vaccine have ...

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