Agencia Latinoamericana de Noticias Prensa Latina Canal RSS de la Agencia Latinoamericana de Noticias Prensa Latina Costa Rican Health Authorities Step up Vigilance for Malaria San Jose, Mar 8 (Prensa Latina) The Costa Rican Social Security Fund (CCSS) and the Health Ministry today steped up surveillance in the Northern Zone of Costa Rica, bordering Nicaragua, to detect cases of imported malaria. State of Emergency Declared in Greek Island Due to Floods Athens, March 6 (Prensa Latina) Greek authorities declared this Wednesday a state of emergency in the city of Halkida, on Evia island (Aegean Sea), due to floods that affected dozens of homes, businesses and crops. Cuba to Reduce Use of Gases with Impact on the Greenhouse Effect Havana, Mar 6 (Prensa Latina) Cuba is preparing to implement the Kigali Amendment to reduce the use of hydrofluorocarbons (HFCs), gases with a serious impact on the greenhouse effect, specialized sources report Wednesday. Cuba Shows Positive Results on World Hearing Day Havana,  (Prensa Latina) Cuba is celebrating the World Hearing Day on Sunday with positive results in prevention and the cochlear implant program, a medical procedure from which the 500th patient benefited recently.