Cytomegalovirus (CMV) is a common virus. According to the Centers for Disease Control and Prevention (CDC), it infects between 50 to 80 percent of all adults by the time they reach 40 years old.

Federal data indicate that over half the US population aged 6-46 years is infected with cytomegalovirus (CMV), typically spread through bodily fluids. Most people have mild or no negative effects from ...