TORONTO (AP) — Nova Scotia's chief public health officer says the east coast Canadian province has four confirmed cases of swine flu. ' H/ p: f% y) f7 w n" w ' j8 ?# o6 w* W- S6 H7 @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. 7 [( `) k/ b$ Z3 \# w/ V5 O8 u # P. h0 n$ ^: O k) G/ OCanadian 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." 4 E5 r; Q" p8 |; F! E6 y/ b 2 D8 Y- P8 b* [# R% k! F# ZMexico's health minister says the disease has killed up to 86 people and likely sickened more than 1,400 since April 13.( V0 {8 d: T4 Q7 l
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.