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 19, 2013
- North America: in Canada and the US, most influenza activity indicators were within expected levels for this time of year. Influenza B remained as the dominant circulating influenza virus in Canada and the US. In Mexico, influenza A(H3N2) remained the most prevalent virus.
- Central America and the Caribbean: similar or increasing respiratory virus activity was reported in this sub-region as compared to previous weeks. In this sub-region, among influenza viruses, influenza A(H1N1)pdm09 has been increasing in Cuba and Dominican Republic in the last weeks. Among other respiratory viruses, parainfluenza (Cuba, Dominican Republic, Honduras and Panama) and RSV (Costa Rica, El Salvador and Guatemala) were also reported.
- South America: acute respiratory infection (ARI) activity showed an increasing trend in most countries but remained within expected levels for this time of the year. In the Andean countries, RSV continued as the predominant circulating virus, with co-circulation of influenza A(H3N2), except in Bolivia (Santa Cruz) where influenza B was predominant. In the Southern Cone, RSV also circulated predominantly. In Chile and Brazil, influenza A(H1N1)pdm09 was reported as the circulating virus.
Last Updated on Wednesday, 22 May 2013 09:46
Influenza Reports by Year