The latest U.S. data shows that women in their teens and early 20s reported drinking and getting drunk at higher rates than their male peers -- in some cases for the first time since researchers began measuring such behavior.
The pandemic has taken a wide toll, with stress causing people who have not been infected to suffer a host of symptoms like excruciating headaches, hair loss and sudden outbreaks of shingles.
Community or population immunity refers to the point at which enough people are sufficiently resistant to a disease that an infectious agent is unlikely to spread from person to person.
