Immune response may vary with choice of COVID-19 booster

(HealthDay)—Immune response may vary with the choice of COVID-19 vaccine used for a third dose or booster following two doses of ChAdOx1 nCoV-19 (ChAd) or Pfizer BioNTech BNT162b2 (BNT), according to a study published online ...


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 ...

Diseases, Conditions, Syndromes

Iceland tightens COVID rules as cases surge

Iceland on Friday said it would tighten its COVID rules as it battles a rise in new cases, including capping gatherings and mandating masks in crowded areas.


Study confirms effectiveness of COVID-19 booster vaccinations

A new study from the Center for Disease Control and Prevention confirms what Mayo Clinic and other experts have been saying: COVID-19 booster vaccinations improve protection against severe illness and hospitalization. The ...

page 1 from 7