An example of a moderate physical activity would be walking briskly!
Salmonella - A. food inspection
Whooping Cough - C. vaccination
HIV - B. education
False, it is actually possible for infants to contract the virus from their mothers during childbirth.
The most common case of viruses getting passed on to a mother's child during birth is HIV. They can also contract Hepatitis B (not A), herpes, measles, and many other cases.