Atlas One · Host Biology · Scale 07 — System

Measles

Measles virus (MV; Morbillivirus; negative-sense ssRNA) caused ~128,000 deaths in 2021; SLAM/CD150 tropism enables immune amnesia (memory B/T cell depletion lasting 2-3 years); Koplik's spots and Warthin-Finkeldey giant cells are pathognomonic; MMR vaccine provides >97% efficacy.

Also known as: measles, rubeola, measles virus, MV, Morbillivirus, measles immune amnesia, SSPE, Warthin-Finkeldey, Koplik's spots, MMR vaccine, measles encephalitis, measles pneumonia, measles bronchopneumonia, immune amnesia virus

Scale 07 — SystemScale
draftStatus
2026-06-08Last Reviewed
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measles

Measles

Measles virus (MV; Morbillivirus; negative-sense ssRNA) caused ~128,000 deaths in 2021; SLAM/CD150 tropism enables immune amnesia (memory B/T cell depletion lasting 2-3 years); Koplik's spots and Warthin-Finkeldey giant cells are pathognomonic; MMR vaccine provides >97% efficacy.