The Unwelcome Return of the Screwworm: Costa Rica Battles a Parasitic Foe – The Costa Rican Times costaricantimes.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from costaricantimes.com Daily Mail and Mail on Sunday newspapers.
Health authorities in Brazil, Uruguay, and Argentina are increasingly concerned over the appearance of hundreds of dead sea lions presumably killed by avian flu, it was reported.