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What is the disease influenza?

Answer 1

Influenza is commonly known as flu.

It usually lasts for a week and is caused by an influenza virus. It is contagious and causes fever, runny nose, muscle pain, and occasionally nausea and vomiting.

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Answer 2

Kai Adams

Influenza, commonly known as the flu, is a contagious respiratory illness caused by influenza viruses. It can cause mild to severe illness and can lead to hospitalization and death. Symptoms include fever, cough, sore throat, runny or stuffy nose, body aches, headache, chills, and fatigue. Influenza viruses spread mainly by droplets made when people with the flu cough, sneeze, or talk. Vaccination is the best way to prevent influenza.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.