Immunology

Do you need a COVID-19 booster shot?

If you got the COVID-19 shots back in early spring, your antibodies are likely waning. But it's not something you need to be worried about, according to a new study from the University of Georgia.

Diseases, Conditions, Syndromes

Iran's Rouhani warns of virus 'fourth wave'

Iran's President Hassan Rouhani warned Saturday of a COVID-19 "fourth wave" as cases rise in certain areas of the Middle Eastern country hardest hit by the pandemic.

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