| update: novel influenza a (h1n1) virus infection - mexico, march-may, 2009. | on april 12, 2009, mexico responded to a request for verification by the world health organization (who) of an outbreak of acute respiratory illness in the small community of la gloria, veracruz. during april 15-17, the mexico ministry of health received informal notification of clusters of rapidly progressive severe pneumonia occurring mostly in distrito federal (metropolitan mexico city) and san luis potosi. in response, on april 17, mexico intensified national surveillance for acute respirato ... | 2009 | 19498336 |
| on the spread of the novel influenza a (h1n1) virus in mexico. | a novel influenza a h1n1 virus of swine origin is responsible for the influenza epidemic affecting mexico, the united states of america (usa), and 39 other countries. while the origin of this emerging pathogen remains uncertain, an increase in the reported incidence of respiratory diseases was noted during march 2009 at the town of la gloria, in the southeastern state of veracruz, mexico. so far, this is the first community in which a case of novel influenza a h1n1 virus has been identified. fur ... | 2009 | 19759500 |