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COVID

Coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus.
Most people who fall sick with COVID-19 will experience mild to moderate symptoms and recover without special treatment. However, some will become seriously ill and require medical attention.

Why COVID-19 is severe in some people but mild in others

Key human genomic signatures could help explain why COVID-19 is severe in some people and mild in others and mild in others.

Handy guide to the latest COVID subvariants and why some are more worrying

The Omicron variant of concern has splintered into multiple subvariants. So we’ve had to get our heads around these mutated forms of SARS-CoV-2, the virus...

Heart disease death risk strongly increases in COVID-19 pandemic

After steadily declining for nearly a decade, the heart disease death rate rose significantly during the first year of the COVID-19 pandemic.

How COVID-19 virus damages brain cells, and a potential treatment

Vaccines and emerging treatments have reduced the health consequences of COVID-19 in most patients. But the phenomenon of Long COVID, characterized by persisting symptoms that...

Do we still need to hold onto COVID-19 vaccination cards?

Where is your COVID-19 vaccination card? Is it in your wallet or purse? Is it at home, buried in a pile of mail? Is it lost?

How COVID-19 colliding with flu season and surge of RSV created ‘tripledemic’

Get ready for a bumpy ride, virus-wise, as autumn turns into winter this year. COVID-19 infections have run into an early flu season and a...

Chronic pain associated with poor health, COVID-19 infection

Chronic pain—pain lasting at least three months—is a serious problem affecting a large number of people: according to the National Academies of Science, Engineering and...

Heart inflammation risk remains rare after third COVID-19 vaccine dose

Scientists found a third dose of the Moderna or Pfizer COVID-19 vaccine poses no more risk of heart inflammation than a second dose.

How COVID-19 damages lungs

Viruses and bacteria have a very long history. Because viruses can’t reproduce without a host, they’ve been attacking bacteria for millions of years. Some of...

Omicron BQ.1 and BQ.1.1 – an expert answers three key questions about these new...

Two new omicron subvariants, BQ.1 and BQ.1.1, are quickly gaining traction in the US, collectively accounting for 27% of infections as of October 29. Both...