Costa Rica: Dengue - DREF Operation Update MDRCR023 - Costa Rica reliefweb.int - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from reliefweb.int Daily Mail and Mail on Sunday newspapers.
San José, Dec 7 (Prensa Latina) In addition to serotypes one and two of dengue that circulate regularly in Costa Rica, health authorities report an increase of variants three and four of this virus caused by the Aedes aegypti mosquito.