Hong Kong ramps up swine flu alert - 28 Apr 09 With concern mounting over a possible pandemic of swine flu, several Asian nations have stepped up monitoring travellers arriving at airports across the region. It was a similar scene a few years ago when the deadly Sars virus emerged in southern China and Hong Kong. Al Jazeera's Rob mcbride reports. From: AlJazeeraEnglish Views: 788 9 ratings Time: 01:57 More in News & Politics