(CIDRAP News) Flu activity remained low in the Northern Hemisphere last week, with only a few countries, such as Costa Rica and Cameroon, reporting spikes in the number of cases, the World Health Organization (WHO) said today.
Costa Rica is the only tropical country in the Americas to report increasing numbers of cases, which are primarily influenza A/H3N2, the WHO said.
(CIDRAP News) Influenza activity in the Southern Hemisphere has mostly returned to off-season levels, with only a few countries in tropical regions reporting significant activity, the World Health Organization (WHO) reported today.
(CIDRAP News) Though influenza activity is low in most nations, some are seeing active transmission, including Cuba, Bolivia, Cameroon, and parts of Southeast Asia, the World Health Organization said today in an update.
Cuba and El Salvador have reported increasing circulation of influenza A (H3N2), a strain that peaked in Honduras in the middle of August.