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Are cruise ship virus outbreaks a real risk? What travelers should know about norovirus, gastroenteritis, CDC data and how to stay safe on a cruise.

HMPV, a respiratory virus with no vaccine, is circulating. Learn its symptoms, how it spreads and who is at risk.

You may be sick with what feels like a nasty cold or a case of the flu, but there’s another, lesser-known respiratory virus that could be to blame. Cases of human metapneumovirus, known as HMPV, are ...

HMPV levels nationwide are "higher than they were at this time last year," an expert told Newsweek.

U.S. doctors are getting the word out about how to spot a rare measles complication that had been a relic of the past: subacute sclerosing panencephalitis. It affects a person years after a measles ...

Chronic hepatitis D virus (HDV) coinfection in people with chronic hepatitis B is associated with rapid progression to liver cirrhosis and high mortality. In 2020, the estimated global HDV burden ...

IgA nephropathy, an immune assault on the kidneys, is often missed. New treatments mean that spotting it sooner might save lives ...