Tag: forest

  • Zika’s origin and global spread

    The following timeline charts the origin and spread of the Zika virus from its discovery nearly 70 years ago: 1947: Scientists researching yellow fever in Uganda’s Zika Forest identify the virus in a rhesus monkey 1948: Virus recovered from Aedes africanus mosquito in Zika Forest 1952: First human cases detected in Uganda and Tanzania 1954:…

  • Factbox: Why the Zika virus is causing alarm

    Global health officials are racing to better understand the Zika virus behind a major outbreak that began in Brazil last year and has spread to many countries in the Americas. Zika is transmitted to people through the bite of infected female mosquitoes, primarily the Aedes aegypti mosquito, the same type that spreads dengue, chikungunya and…