n. any member of a genus of small DNA-containing viruses. Human parvovirus B19 is the only member to cause disease in humans. It destroys red blood cells and is responsible for severe anaemia in patients with sickle-cell disease. Infection during pregnancy may adversely affect the fetus, resulting in hydrops fetalis. The virus is also the causative agent of the childhood infection erythema infectiosum.
Subjects: Medicine and Health — Chemistry.