Epidemiological Alert, Update on Avian Influenza (12 February 2004)
Alerta Epidemiológica, Situación actual de influenza aviar (12 febrero 2004)
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2004Metadata
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Since our last update on 5 February 2004, 4 new human cases of avian influenza have been confirmed in Viet Nam—out of which 3 have died—and 1 more in Thailand who is still alive. To date, 2 countries have reported human cases of avian flu (Viet Nam and Thailand), with a total of 25 persons affected, 6 of whom are still alive. The scaling up of surveillance for the early detection of new cases, along with the availability of detailed information on current cases, are both essential in order to evaluate the pandemic potential of avian influenza virus H5N1. To this end, WHO has published its Guidelines for Global Surveillance of Influenza A/H5 as well as its Preliminary Clinical and Epidemiological Description of Influenza A (H5N1) in Viet Nam. Desde nuestra última actualización del 5 de febrero de 2004, se han confirmado en Vietnam 4 casos nuevos de influenza aviar en humanos—3 de los cuales han fallecido—y uno más en Tailandia no fallecido. Estos son los dos países que han notificado casos humanos de influenza aviar, registrándose hasta la fecha total de 25 afectados, 6 de los cuales continúan con vida. El refuerzo de la vigilancia para la detección temprana de casos nuevos, junto con la disponibilidad de información detallada de los casos producidos, son esenciales para valorar el potencial pandémico del virus de la influenza aviar H5N1. En este sentido, la OMS ha hecho pública una guía para la vigilancia global de la influenza A/H5 y un informe preliminar con la descripción clínica y epidemiológica de la influenza A (H5N1) en Vietnam.
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