The scientific method is a body of techniques for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge. To be termed scientific, a method of inquiry is commonly based on empirical or measurable evidence subject to specific principles of reasoning.
Chickenpox (varicella) is a contagious illness that causes an itchy rash and red spots or blisters (pox) all over the body. Chickenpox can cause problems for pregnant women, newborns, teens and adults, and people who have immune system problems that make it hard for the body to fight infection.
What is chickenpox? Chickenpox is a highly contagious viral infection that causes an acute fever and blistered rash, mainly in children. The name may be derived from the French term for chick pea, chiche pois. Another theory is that the word 'chicken' was derived from a slang term for 'child'.