Infectivity of chicken pox last for -
The incubation period of chickenpox is about 2 weeks. The patient is considered to be infectious during 2 days before and five days after the onset of lesions. REF:ANATHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 8TH EDITION PAGE NO:471
Till the last scab falls of
6 days after onset of rash
3 days after onset of rash
Till the fever subsides
Virology