From bbc news
"the quarantine row between Mexico and China developed after a 25 year-old man who had flown from Mexico to Shanghai and Hong Kong was diagnosed with swine flu- or H1N1...China decided to track down everyone who landed on smae flight as infected man and put them into quarantine..."
"meanwhile another diplomatic row could be brewing after Canada asked China to explain why a group of at least 20 Canadian students had been quarantined in northeastern town Changchun...Canada said none of the students had shown any flu symptoms..."
at link:
"the quarantine row between Mexico and China developed after a 25 year-old man who had flown from Mexico to Shanghai and Hong Kong was diagnosed with swine flu- or H1N1...China decided to track down everyone who landed on smae flight as infected man and put them into quarantine..."
"meanwhile another diplomatic row could be brewing after Canada asked China to explain why a group of at least 20 Canadian students had been quarantined in northeastern town Changchun...Canada said none of the students had shown any flu symptoms..."
at link: