Understanding Measles Transmission and Vaccination Importance

Measles is one of the most contagious infectious diseases known to science – more contagious than Ebola, smallpox or COVID-19. Declining vaccination rates over the past few years, plus a recent outbreak in West Texas, have public health experts concerned. Here's what to know about the science of this virus — plus how to protect against it. For the latest, host Regina G. Barber talks to NPR health correspondent Maria Godoy.

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