October 03, 2025
Vax Facts Friday 10.3.25

Q: People can become infected with measles virus from respiratory droplets that remain in the air for up to ____ ____ after an infected person has left the area.
A. 30 minutes
B. 1 hour
C. 2 hours
D. 6 hours
The correct answer is C. 2 hours
For example, if someone who has not had measles enters an elevator or other small space up to two hours after an infected person has left, they can still become infected with measles.
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