Infectious Disease
Showing of 15 results
How Many People Will One Sick Person Infect?
One sick person can infect anywhere from 1 to 18 other people, depending on the illness. Learn how vaccines help reduce the spread and the severity of measles, flu and RSV.
What to Know About Adenovirus
Learn more about adenovirus, a respiratory virus that causes cold-like symptoms and is the most common cause of pink eye.
Worried About Measles? 5 Common Infections With Similar Symptoms
Many infections can cause a rash that looks like the measles, but they're far less dangerous than the highly contagious virus.
Hantavirus Pulmonary Syndrome: A Rare but Serious Viral Illness
Spread by contact with rodent waste and nesting materials, hantavirus can cause serious symptoms like shortness of breath, coughing and severe respiratory distress.
What to Know About the Bird Flu Threat
Bird flu continues to spread, causing outbreaks in chickens and dairy cows. More people are getting infected too, but the threat to humans remains low.
Is Whooping Cough Becoming More Common?
Whooping cough is a respiratory illness caused by the bacteria Bordatella pertussis. Potentially life-threatening, it is largely preventable with vaccination. Yet cases are on the rise.
Walking Pneumonia on the Rise: What Parents Should Know
A respiratory infection that mostly affects adults and older children is now being seen more in children under 5.
Parasite Cleanses: Hype or Helpful?
Commercial parasite cleanses are the latest self-help treatment being promoted on social media. Our expert explains why they should be avoided.