CDC HAN Alert: Increase in Human Parvovirus B19 Activity in the U.S.

The CDC issued a Health Alert Network (HAN) Health Advisory to notify healthcare providers, public health authorities, and the public about current increases in human parvovirus B19 activity in the U.S. Parvovirus B19 is a highly transmissible seasonal respiratory virus that is transmitted through respiratory droplets by people with symptomatic or asymptomatic infection. In the U.S., there is no routine surveillance for parvovirus B19, and it is not a notifiable condition. Read more.