Pfizer studies whether a third vaccine jab is needed to counter COVID-19 variants
Published
The study aims to determine if an additional booster shot would rev up the immune system enough to ward off a mutated virus.
Full ArticlePublished
The study aims to determine if an additional booster shot would rev up the immune system enough to ward off a mutated virus.
Full ArticleSlovakia’s febrile politics and incompetent handling of the pandemic has made it vulnerable to Russian mischief using its Sputnik..
Vaccine makers are testing the safety and efficacy of third doses now to prepare to address new coronavirus variants later.