Thứ Hai, 5 tháng 3, 2018

Yellow Fever Circles Brazil’s Huge Cities


With an outbreak in its second year, officials are trying to vaccinate 23 million people against the virus. The government was slow to act, critics say.
By SHASTA DARLINGTON and DONALD G. McNEIL Jr. from NYT Health http://ift.tt/2FUOHnb
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Vaccination and Immunization, Epidemics
Source The New York Times
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