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swat32
3 years ago
8

What causes the flu?

Biology
2 answers:
pochemuha3 years ago
6 0

Answer:

The flu is caused by influenza viruses that infect the nose, throat, and lungs. These viruses spread when people with flu cough, sneeze or talk, sending droplets with the virus into the air and potentially into the mouths or noses of people who are nearby.

Explanation:

Pie3 years ago
5 0
The flu is caused by viruses within or not within the body
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