Epidemiological Alert, Human infection with avian influenza A(H7N9) in China (3 April 2013)
Alerta Epidemiológica, Infección humana por el virus de influenza aviar A(H7N9) en China (3 abril 2013)
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2013Metadata
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On 31 March 2013, the health authorities of China notified WHO of three laboratory confirmed human cases of avian influenza A(H7N9) virus infection. As of 3 April 2013, the total number of laboratory confirmed cases of human infection with influenza A(H7N9) virus had reached seven. Two of the cases died and the other five are in critical condition. Four of the cases are female and three are male; their ages range from 27 to 87 years old (median age is 45 years old). The onset of symptoms occurred from 19 February to 21 March 2013. The cases are from Shanghai (2), Anhui (1) and Jiangsu (4) provinces of China. To date, there is no apparent epidemiological link between the confirmed cases. El 31 de marzo de 2013, la Organización Mundial de la Salud (OMS) recibió la notificación de las autoridades de salud de China sobre la confirmación por laboratorio de tres casos de infección humana por el virus de influenza aviar A(H7N9). Hasta el 3 de abril del 2013, se confirmaron un total de 7 casos de infección humana por el virus de influenza aviar A(H7N9). Dos de los casos fallecieron, los demás se encuentran en estado crítico. Cuatro casos son mujeres y tres hombres; con un rango de edad entre los 27 a 87 años (mediana de 45 años). La fecha de inicio de síntomas de los casos se registró entre el 19 de febrero y el 21 de marzo de 2013. Los casos provienen de las provincias de Shanghai (2 casos), Anhui (1 caso) y Jiangsu (4) en China. Hasta la fecha no se ha identificado nexo epidemiológico aparente entre los casos confirmados
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