The Slapped-Cheek Comeback: Why Parvovirus B-19 is Causing Concern Again

Parvovirus B-19 is a respiratory virus that is making a comeback in the United States, with a surge in infections reported. The virus is highly contagiousand can spread through the air when an infected person talks, coughs, or sneezes, or by touching a surface or object that's contaminated with the virus.