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 17, 2013
- North America: in Canada and the US, most influenza activity indicators were within the expected level for this time of year. Influenza B continued to increase and remained 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 (Cuba, Dominican Republic and Nicaragua) was the predominant circulating virus. Among other respiratory viruses, parainfluenza (Dominican Republic, Honduras and Panama) and RSV (Costa Rica) were also circulating.
- South America: acute respiratory infection (ARI) activity showed an increasing trend in most countries but remained within the expected levels for this time of the year. In the Andean countries, RSV was the predominant circulating virus, with co-circulation of influenza A(H3N2) in Ecuador, with influenza A(H1N1)pdm09 in Colombia and with influenza B in Bolivia. In the Southern Cone, RSV circulated predominantly. In Brazil, influenza A(H1N1)pdm09 was the predominant virus.
Last Updated on Wednesday, 08 May 2013 09:13
Influenza Reports by Year