1 of 2 / Common Cold
View AllWhat Is a Cold?
A cold begins when a virus attaches to the lining of your nose or throat.
What's Causing My Cold?
Cold viruses have a lot in common, but each type has its own style, too.
Is It a Common Cold or Allergies?
It's a question that puzzles lots of folks when symptoms hit: Is all that coughing and sneezing from a cold or hay fever?
What Puts You at Risk for the Common Cold?
2 of 2 / Flu (Influenza)
View AllDo You Have a Cold or Flu?
Do you feel under the weather and wonder if you're sick with the flu or a cold?
Flu Test: How to Find the Virus
A doctor can usually tell if you have the flu based on your symptoms, especially if it’s during peak season.
Bird Flu (H5N1)
Bird flu, or avian influenza, is a viral infection spread from bird to bird. The most common kind is the H5N1 strain.
Swine Flu (H1N1)
While swine flu isn't as scary as it seemed a few years ago, it's still important to protect yourself from getting it.
Suggested Reads about Cold and Flu
CDC: Flu Levels Stay High While COVID Declines
Influenza levels remain elevated in the U.S., while COVID-19 levels keep declining, the Centers for Disease Control and Prevention said last Friday in weekly updates.
Your Co-worker or Fellow Plane Passenger May Be Sick and Lying to You
Getting sick brings on more than sniffles or a fever. For most people, it brings out the sneaky in them. An impressive 75% of people admitted they have concealed an infectious illness in a new study.
Flu Rates Swell Post-Holidays, but COVID Is Less Severe: CDC
Flu season continues to worsen nationwide, as 38 states have high or very high levels of the respiratory virus known for causing an onslaught of symptoms like a fever, sore throat, runny nose, and body aches.
More Evidence Suggests That ‘Long Flu’ Is a Thing
You may have never heard of it, but you may have had it. More evidence points to "long flu" being a real phenomenon, with a large study showing symptoms persist at least 4 weeks or more after some people are hospitalized for the flu.
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