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To assess the effectiveness of flue vaccine for city residents, Mr. Carlson wants to administer vaccine injections to all city residents rather than give half of them a placebo injection. Mr. Carlson is most clearly underestimating the importance of

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Answer:

Flue

Explanation:

The flue is common and a viral infection. It can be deadly and can occur in high groups of people. It attacks a person's throat, neck, and nose. In this disease people like pregnant women, children, older people and the people who have a low immune system would be at a high risk of infection.

Symptoms:

  • It spread easily
  • It is preventable by the vaccine
  • It can be self-diagnosed
  • It can be treated easily.

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