Yel­low fever

Houston Chronicle Sunday - - WORLD -

The dis­cov­ery of one dead mon­key in­fected with yel­low fever on the north side of Brazil’s largest city has prompted São Paulo health au­thor­i­ties to launch a mas­sive vac­ci­na­tion cam­paign.

The virus re­spon­si­ble for the dis­ease has been blamed for at least 261 Brazil­ian deaths since De­cem­ber, al­most en­tirely in the south­east of the coun­try.

The mos­quito-borne dis­ease orig­i­nated in Africa and was dis­cov­ered to be back in Brazil after hun­dreds of dead mon­keys were found in­fected in the coun­try’s At­lantic rain­for­est late last year.

Yel­low fever is one of the world’s most deadly trop­i­cal dis­eases, caus­ing symp­toms such as mus­cle aches and fever, pro­gress­ing to liver dam­age and kid­ney fail­ure.

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