China
H1N1 outbreak. As of 3 December 2009, there were nearly 25 million confirmed cases and around 10,000 deaths, and in 2010 the death toll is below 20,000.
I almost got quarantined on my way back to Shanghai because a passenger on the Air France flight had fever and everyone was checked before leaving the plane. We had to wait 2 hours after a 12 hours flight for a final decision from the Chinese authorities.