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Articles on Contagious diseases

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Bill Chen at San Francisco International Airport after arriving on a flight from Shanghai. Chen said his temperature was screened at the Shanghai airport before he departed. AP Photo/Terry Chea

Airplanes spread diseases quickly – so maybe unvaccinated people shouldn’t be allowed to fly

Air transportation unquestionably spreads disease. Should airlines be more proactive by requiring proof of vaccination? Two experts reflect on the current and former crises.
A sign at a clinic in Vancouver, Washington on Jan. 25, 2019 asks unvaccinated children 12 and younger to leave the facility. Gillian Flaccus/AP Photos

Measles: Why it’s so deadly, and why vaccination is so vital

A measles outbreak is causing major concern in a Washington county where only 22 percent of children are vaccinated against the disease. A vaccine expert explains the risks.
Mourners wait to attend the funeral of Heather Heyer in Charlottesville, Virginia, Aug. 16, 2017 after Heyer was killed attending a rally to protest white nationalism. Julia Rendleman/AP Photo

Why bigotry is a public health problem

As death tolls rise from hate crimes, a psychiatrist wonders: Is it time to treat bigotry like a disease?

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