Move towards 'social distancing ' as people worry about swine flu epidemic . Mexico 's Health Ministry directing people to avoid handshakes and kissing . The flu outbreak will pose another test . Comment: Follow CNN 's Dr. Sanjay Gupta on Twitter .
Move towards 'social distancing ' as people worry about swine flu epidemic . Mexico 's Health Ministry directing people to avoid handshakes and kissing . Comment: Follow CNN 's Dr. Sanjay Gupta on Twitter .