Medications

Q&A: COVID rebound can happen whether or not you take Paxlovid

What initially was referred to as "Paxlovid rebound"—a return of COVID symptoms or test positivity after starting a course of the antiviral—is now more accurately referred to as "COVID rebound," because rebound can happen ...

Diseases, Conditions, Syndromes

Researchers find possible predictor of COVID-19 severity

The degree of severity to which someone experiences COVID-19 has a lot to do with the body's immune response to the SARS-CoV-2 virus and the infection it causes. Our immune system tailors antibodies to fight infections, so ...

Diseases, Conditions, Syndromes

No sign latest COVID variant leads to worse symptoms

JN.1, the COVID variant sweeping the country this winter, is not prompting more severe disease than earlier variants did, early U.S. government data suggests.

Diseases, Conditions, Syndromes

How long does immunity last after a COVID infection?

Nearly four years into the pandemic, Australia, like many other countries, is still seeing large numbers of COVID cases. Some 860,221 infections were recorded around the country in 2023, while 30,283 cases have already been ...

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