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.
Chickenpox (Varicella) - Vaccine-Preventable Diseases. Chickenpox (Varicella) is caused by a virus. It can cause a low fever and an itchy rash. The rash starts as small red bumps that become fluid-filled, break and form scabs.It usually takes 7-10 days from the beginning of chickenpox until the last of the rash crusts over.hickenpox (Varicella) - Vaccine-Preventable Diseases. Chickenpox (Varicella) is caused by a virus. It can cause a low fever and an itchy rash. The rash starts as small red bumps that become fluid-filled, break and form scabs.