Medicine: Past and Present 3-1

epidemic noun a rapidly spreading disease

plague noun a destructive epidemic disease

germs noun tiny plants or animals that cause disease

infected adjective having disease germs present

microbes noun tiny organisms or germs too small to be seen without a microscope

antibodies noun substances produced by the body that destroy or weaken germs

immune verb protected from germs

bacteria noun germs

vaccine noun a preparation of weakened germs used to protect a person or animal from a disease

sterilize verb to make free from germs