What causes chickenpox (Varicella)?
Chickenpox is a contagious disease that comes with a fever and rash. It is most common in children. It is caused by infection with the varicella-zoster virus. In general, the highest rate of illness is found in the age group of 5-9 years, followed by 0-4 years , 10-14 years , 15-24 years, and 25-34 years,