Diseases, Conditions, Syndromes

WHO: All of Sao Paulo state at risk for yellow fever

The World Health Organization announced Tuesday that it now considers all of Sao Paulo state at risk for yellow fever, recommending that all international visitors to the state be vaccinated.

Diseases, Conditions, Syndromes

Aedes aegypti mosquitos introduced to California multiple times

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, ...

Diseases, Conditions, Syndromes

Four reasons why we shouldn't forget about Zika

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 ...

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