Bronchitis is usually contagious for a day or two if it’s bacterial or up to one week or more if it’s related to a viral infection. You may also be contagious for a day or two before experiencing ...
Meningococcal meningitis spreads through saliva and requires close contact. Viral meningitis can be caused by viruses like the measles virus and chickenpox. Fungal meningitis can occur when a fungus ...
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Is diarrhea contagious?

Diarrhea is often contagious, especially when it's caused by viruses, bacteria, or parasites. Infectious diarrhea can spread by not washing hands after using the bathroom or touching contaminated ...
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 ...