... vaccine. You can also find information about other COVID-19 vaccines that are still in progress. This includes details ...

... and your family. We also have pages on COVID-19 testing and vaccines, including the vaccines that have been authorized in the United States and the others that are still in progress.

Disabilities make it harder to do normal daily activities. They may limit what you can do physically or mentally, or they can affect your senses. Disability doesn' ...

What is a blood clot? A blood clot is mass of blood that forms when platelets, proteins, and cells in the blood stick together. When you get hurt, your ...

Platelets, also known as thrombocytes, are blood cells. They form in your bone marrow, a sponge-like tissue in your bones. Platelets play a major role in blood ...

COVID-19 (coronavirus disease 2019) is an illness caused by a virus. This virus is a new coronavirus that has spread throughout the world. It is called SARS- ...

... like the ones that cause the flu and COVID-19 Bacteria, including tetanus, diphtheria, and pertussis What are the types of vaccines? There are several types of vaccines: Live-attenuated ...

What is the immune system? Your immune system is a complex network of cells, tissues, and organs. Together they help the body fight infections and other ...

College life involves excitement, along with new challenges, risks, and responsibilities. You are meeting new people, learning new things, and making your own ...

During pregnancy, some common infections like the common cold or a skin infection do not usually cause serious problems. But other infections can be dangerous ...