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3 years ago

11

Help with Biology?

1 answer:

Nastasia [14]3 years ago

7 0

Answer:

Hmm.

Explanation:

Measles is so contagious that if one person has it, up to 90% of the people close to that person who are not immune will also become infected. Infected people can spread measles to others from four days before through four days after the rash appears.

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