Before revision: Vulnerable Populations Parvovirus B19 can cause serious complications in certain groups of people: Pregnant people - B19 infection in this population can lead to detrimental effects on the fetus, causing hydrops fetalis, as mentioned previously.
After revision: Vulnerable populations Parvovirus B19 can cause serious complications in certain groups of people: Pregnant people - B19 infection in this population can lead to detrimental effects on the fetus, causing hydrops fetalis, as mentioned previously.