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 number of cases of Zika, dengue and chikungunya reported in Brazil during the first 6 ½ weeks of the year is nearly 90 percent less than in the same period in 2016, the Health Ministry said Wednesday.
Mar 15, 2017
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Rio de Janeiro said Saturday it plans to vaccinate the state's entire population against yellow fever in response to an outbreak that has killed at least 113 people around Brazil.
Mar 12, 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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Brazil's Ministry of Health has ordered 11.5 million doses of yellow fever vaccines to reinforce its stockpiles amid the largest outbreak of the disease the country has seen since 2000, officials said Wednesday.
Jan 25, 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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Brazil's second most populous state has declared a 180-day state of emergency after eight people died of yellow fever.
Jan 13, 2017
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