Diagnosis of Zika infection is complex. Molecular tests for exposure are only reliable in the first two to three weeks after infection while the virus is circulating in the bloodstream. Antibody tests are confounded by cross-reactivity ...
Mar 6, 2018
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Due to the Zika epidemic, which began in 2015, and the outbreak of yellow fever early in 2017, Brazil runs a serious risk of being afflicted by Oropouche, another virus that is widely distributed throughout South and Central ...
Aug 23, 2017
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Aedes aegypti mosquitos can carry the pathogens that cause dengue fever, chikungunya, Zika fever, and yellow fever, among other diseases. In 2013, scientists first reported that A. aegypti had been found in California. Now, ...
Aug 10, 2017
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Rhesus macaques previously infected with dengue or yellow fever viruses appear to be neither more nor less susceptible to severe infection with Zika virus, according to new research published in PLOS Pathogens.
Aug 4, 2017
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A group of researchers investigating yellow fever, in 1947, discovered a new virus in a sick monkey – the Zika virus. The researchers probably never imagined that nearly 70 years later this virus would rapidly spread across ...
Apr 13, 2017
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The unusually large outbreak of yellow fever now occurring in rural Brazil deserves careful attention by world health authorities, notes Anthony S. Fauci, M.D., director of the National Institute of Allergy and Infectious ...
Mar 8, 2017
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Ninety percent of people living in the areas most affected by a yellow fever outbreak in Brazil have been vaccinated, authorities said Thursday.
Feb 2, 2017
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Brazilian authorities say they've now confirmed 47 cases of yellow fever, and 25 deaths.
Jan 22, 2017
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Is the United States at risk for a large-scale outbreak of Zika or other mosquito-borne disease? While climate conditions in the U.S. are increasingly favorable to mosquitos, socioeconomic factors such as access to clean ...
Jan 3, 2017
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Angola on Friday declared the end of a yellow fever outbreak that killed at least 400 people, after an emergency United Nations vaccination campaign covering 25 million people.
Dec 23, 2016
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