What is influenza? What causes influenza? What are some of the impacts of the influenza viruses on the body? What is the

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What is influenza?What causes influenza?What are some of the impacts of the influenza viruses on thebody?What is the difference between influenza and the commoncold?How does the flu vaccine work?Who should get vaccinated? Who should not get vaccinated?Why are some people in support of vaccinations and othersnot?Include any interesting information you find while researchingthis infection.