Vaccines protect against life-threatening diseases. Follow a recommended immunization schedule to protect yourself and others at all stages of life.| medlineplus.gov
HIV (human immunodeficiency virus) attacks the body’s immune system. There is no cure but it can be treated with medicines. To know if you have HIV, get tested.| medlineplus.gov
Your immune system is made up of cells, tissues, and organs that fight infections and diseases. Learn how it works, and about diseases of the immune system.| medlineplus.gov
Many pathogens and bacteria can contaminate what we eat and cause food poisoning. Find out the food and germs most associated with foodborne illness.| medlineplus.gov
The flu can cause serious illness in people over 65, babies, and people with certain chronic illnesses. The best way to prevent the flu is to get a vaccine.| medlineplus.gov
Used properly, antibiotics can save lives by fighting bacterial infections. Read about how to use antibiotics and about when not to use antibiotics.| medlineplus.gov