Airborne transmission of measles

麻疹主要通過空氣傳播，皮疹發作前4天便有傳染性。

空氣傳播和飛沫傳播的分水領是10微米以下和以上的感染性顆粒?

Measles is transmitted from person to person primarily by the airborne route as aerosolized droplet nuclei. Infected people are usually contagious from 4 days before until 4 days after rash onset.

wwwnc.cdc.gov

People with measles are contagious from 4 days before the rash appears until about 4 days after it does, and are most contagious while they have a fever, runny nose, and cough.

kidshealth.org

Airborne transmission occurs only when infectious particles of <5 μm, known as aerosols, are propelled into the air.

www.ncbi.nlm.nih.gov