Health officials in Costa Rica have confirmed the presence of a new influenza A(H3N2) variant, subclade K, as cases of respiratory illnesses rise during the holiday season. The Ministry of Health reports that the virus started spreading earlier than expected this year, prompting calls for stronger protective steps among residents. The World Health Organization indicates […] The post Influenza Variant Circulates in Costa Rica as Health Officials Urge Prevention appeared first on The Tico Times | Costa Rica News | Travel | Real Estate .