TORONTO (AP) — Nova Scotia's chief public health officer says the east coast Canadian province has four confirmed cases of swine flu.( P& y7 J& g6 U, X6 O2 r
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Chief Public Health officer Dr. Robert Strang says Sunday four students from King's-Edgehill School in Nova Scotia ranging in age from 12 to 17 or 18 are recovering. All of them had what he describes as "very mild" cases of the flu. * Y/ {6 y9 c1 J. H $ A8 E' J8 z8 M, j9 wCanadian officials are planning a briefing today in Ottawa on the swine flu situation, which the World Health Organization has declared to be a "public health emergency of international concern." : X% V4 ^! O* l/ K' c . k4 M; _0 W+ u% b4 H% W# HMexico's health minister says the disease has killed up to 86 people and likely sickened more than 1,400 since April 13.7 X. m$ L/ [' a8 E( F) ^# i1 q
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[ 本帖最后由 billzhao 于 2009-4-26 12:29 编辑 ]
Swine Influenza (swine flu) is a respiratory disease of pigs caused by type A influenza that regularly cause outbreaks of influenza among pigs. Swine flu viruses do not normally infect humans, however, human infections with swine flu do occur, and cases of human-to-human spread of swine flu viruses has been documented.