Sars panic. Dead or diagnosed tallies mount. Beijing quarantines hospital, orders whole villages closed . UN's World Health Oorganization discourages travel to Toronto. Face masks and self-isolations spread reminiscent of medieval Black Plague. Guardian reports"

More than 250 people have died among nearly 4,300 infected worldwide. The disease has now struck 25 countries in five continents with a number of governments taking drastic quarantine measures. Full story>>