Chickenpox is a disease that is highly contagious, and its causative agent is varicella zoster virus (Wood). Historical information The history of the term chicken pox that is documented as being used from 1684 is not dependably known. There have been speculations that it was derived from chickpeas, on the basis of their resemblance of vesicles to chickpeas (Belshe).
It begins with vesicular skin rash on the head and body. It is transmitted through the air and it easily spreads via sneezing or coughing by affected persons or via direct contact with the rash’s secretions. The patient ...