
Understanding Changing COVID Guidelines
CDC guidelines about COVID-19 have been revised several times. As new facts about the virus emerge, some experts differ about exactly what’s safe — or not.
Meningitis is a potentially fatal infection. Meningitis symptoms in adults are often different than meningitis symptoms in children. Here's what you should know.
A highly contagious infection, rotavirus causes severe diarrhea and, in the past, killed up to 60 unvaccinated American children under age five each year.
When people ask, “What is C. diff?” they are really asking two questions: One: What is the illness like and, two, what causes it. Learn more.
The flu is just one in a long list of serious illnesses that vaccines can prevent — along with measles, human papillomavirus (HPV), rotavirus, and tetanus.
Walking pneumonia can cause mild symptoms but also have serious consequences. Learn what is walking pneumonia, treatment, and how to avoid the infection.
Cellulitis causes pain, blindness, even death. How do you get cellulitis? Find out your risk and how to treat this skin dangerous infection.
In the late stage of an infection with the HIV virus, called AIDS (acquired immunodeficiency syndrome), your immune system cannot fight off infections normally.
Some infections no longer respond to antibiotic treatment. Learn what are antibiotic resistant bacteria and how to protect yourself from this serious problem.
Sinus infections are contagious only if they are caused by a virus, rather than bacteria, fungi, allergies, or other causes. Here's what everyone should know.
Strep throat is common in kids but strep throat in adults does occur — and it can be serious. Learn about symptoms, testing, and how to protect yourself.
Children who get a red sandpapery rash along with a fever may have scarlatina, a bacterial infection that can lead to rheumatic fever, kidney disease, ear infections, and pneumonia.
Foodborne illnesses affect millions of people every year. Learn about the symptoms of food poisoning and how to avoid them to stay healthy.