TORONTO (AP) — Nova Scotia's chief public health officer says the east coast Canadian province has four confirmed cases of swine flu., {+ N9 ~/ y# k" k6 ^0 F
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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.: z4 l4 |7 O8 @3 e% ?" @2 _* ^0 v" y" k
; D1 i+ P# @# P& w% sCanadian 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." 7 E) u" S8 b R- l+ C9 S4 ^( m4 S5 ]+ A' ]* i+ z
Mexico's health minister says the disease has killed up to 86 people and likely sickened more than 1,400 since April 13.7 ?8 Z% J% H, n1 W. C8 K/ R
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.