During this year, measles cases, imported and imported related, have been registered in Argentina, Brazil, Canada, the United States, and French Guyana. From January to 21 August, 2010, 143 confirmed measles cases have been registered, 40 of which were imported, 37 imported-related, and 66 which are still under investigation or whose source of infection is unknown.

 Epidemiological Alert: Measles (2 September 2010)