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Transmission of Measles

Español: Transmisión del sarampión

boy sneezingMeasles is a highly contagious virus that lives in the nose and throat mucus of an infected person. It can spread to others through coughing and sneezing. Also, measles virus can live for up to two hours on a surface or in an airspace where the infected person coughed or sneezed. If other people breathe the contaminated air or touch the infected surface, then touch their eyes, noses, or mouths, they can become infected. Measles is so contagious that if one person has it, 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 to four days after the rash appears.

Measles is a disease of humans; measles virus is not spread by any other animal species.

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