“I know three people who have it right now,” Karen S., a reader, told me. “COVID has unfortunately returned to our local area. We are having more and more patients test positive, which is frustrating, ...
How long a sore throat is contagious can depend on the cause but can range from days to weeks. Some causes, such as allergies, are not contagious. If you or your child has a sore throat caused by a ...
Many infectious diseases are caused by viruses and bacteria. Bacteria are microorganisms that are made up of a single cell. They can be found in a wide variety of environments. Most bacteria are ...
The word 'contagious' has evolved from describing physical illnesses spread by touch to encompassing the rapid transmission of emotions, ideas, and behaviors. Its Latin roots highlight the concept of ...
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Got the flu? Here’s how long you’re contagious
When the flu strikes, one of the biggest concerns is how long you might be contagious. Knowing this can help protect your family, friends, and coworkers from catching the virus. This guide from ...
Contagious yawning refers to the tendency of individuals to yawn after seeing, hearing, or even thinking about someone else yawning. About 40% to 60% of people exhibit contagious yawning when exposed ...
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