The information presented in this update is based on data provided by Ministries of Health and National Influenza Centers of Member States to the Pan American Health Organization (PAHO) or from updates on the Member States’ Ministry of Health web pages.
Regional Update EW 33, 2014
- North America: Influenza activity remained low in the sub-region with co-circulation of influenza B and A(H3N2). In the United States, one human infection with an influenza A(H3N2) variant (H3N2v) was reported by Ohio. The case was hospitalized and has completely recovered. The case reported close contact with swine in the week prior to illness. No ongoing human-to-human transmission has been identified.
- The Caribbean and Central America: Circulation of influenza B was observed in several countries of the subregion (Cuba, Costa Rica, Jamaica, Guatemala, Honduras, Panama and Puerto Rico), and co-circulation with influenza A(H1N1)pdm09 was observed in Cuba, Guatemala and Panama.
- South America – Andean Countries: Continued influenza circulation was observed in Bolivia, Colombia, Ecuador and Peru. Co-circulation of influenza A(H1N1)pdm09, A(H3N2) and influenza B was observed, as well as continued circulation of RSV.
- South America - South Cone and Brazil: Although most acute respiratory illness activity indicators in the subregion remained elevated, they were within expected levels for this time of year and began to decrease. RSV continued to circulate, and among influenza viruses, A(H3N2) predominated with influenza B co-circulation.