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What causes the flu?

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Answer:

The virus spreads when a person sneezes or coughs.

Step-by-step explanation:

User Serafim Costa
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Answer:

What Causes the Flu? 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.

User Qiubix
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