Period of infectivity for chicken pox is:
5 days prior to appearance of rash till 4 days afterwards.
4 days prior to appearance of rash till 4 days afterwards.
1 day prior to appearance of rash till 4 days afterwards.
4 days prior to appearance of rash till 1 day afterwards.
Boost your performance with adaptive practice tests
Practice every concept in the syllabus
Compare your speed and accuracy with your peers
Download the app and practice on the go