Diseases, Conditions, Syndromes

Expert explains parvovirus B19, a common childhood infection

Parvovirus B19 is the cause of fifth disease, a mild rash typically seen in children, although adults can contract the virus. Parvovirus B19 affects only humans. You can't contract it or transmit it to dogs or cats. However, ...

Diseases, Conditions, Syndromes

Long COVID symptoms can emerge months after infection

Long COVID can persist for at least a year after the acute illness has passed, or appear months later, according to the most comprehensive look yet at how symptoms play out over a year.

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