News & Events

Q: If 10 susceptible (nonimmune) people come into contact with someone who has pertussis, how many of them could be infected?

A. 2 
B. 4 
C. 6 
D. 10

The correct answer is D. 10
Pertussis is one of the most contagious diseases, so it is likely that all 10 people would be infected.
 

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