Travellers from an international flight are pictured on a thermographic device as they arrive at Sofia Airport, Bulgaria, as the region steps up its checks on travellers due to the swine flu outbreak (Image: Dimitar Dilkoff / AFP / Getty)
DOOMSDAY visions of curfews, sealed borders, travel bans and scuffles over food are a long way from materialising in the current crisis. But if the World Health Organization declares a pandemic, countries could bring in draconian measures to isolate and treat infection, prevent further spread and keep societies functioning.
On Monday 27 April, the global threat level rose to 4…
