how long is chicken pox in adults contagious
A person with varicella is contagious from 1-2 days before rash onset until the lesions have crusted. It takes from 10-21 days after exposure to the virus for someone to develop varicella. person with varicella is contagious from 1-2 days before rash onset until the lesions have crusted. It takes from 10-21 days after exposure to the virus for someone to develop varicella.