Our body's immune system is quick to spring into action when it spots a foreign object that shouldn't be there. Sometimes the ...

Reader’s Digest compiled a list of hospital objects that can hold large amounts of bacteria and other microbes, including elevator buttons, faucets and patient privacy curtains. 2. Bed rails. Bacteria ...

Ebola is in the U.S. Now what? Post your questions on Twitter using #EbolaQandA, and our @CNN experts will reply with answers, or join us on Facebook. Yes, Ebola is a scary infectious disease. But the ...

You wake up with a scratchy throat and that vague feeling of unwellness. Is it just allergies? The start of a cold? Or something that might need antibiotics? Knowing the difference between viral and ...

Without proper treatment, tooth infections can spread to other areas of the body, leading to serious and potentially life threatening complications. A tooth infection, or a tooth abscess, is a ...

In a recent study posted to the bioRxiv* preprint server, researchers determined whether severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) could be transmitted from a dead body. Study: Can ...

If an infected tooth causes fever, fatigue, or other symptoms, the infection may be spreading to your body. You may need medical attention. It starts with a toothache. If your sore and throbbing tooth ...