We are assuming that the shock from a flu epidemic would be even bigger than from SARS.

an eventual bird flu epidemic.

The epidemic of avian flu can now spread on a global scale.

Just as we conquered the SARS epidemic in 2003, we will surely conquer bird flu as well,

We have conquered the SARS epidemic in 2003, and we will surely conquer the bird flu virus,

The epidemic situation is very severe. Right now is spring, when there is a high chance of bird flu outbreaks due to the frequent movement of migratory birds. This epidemic has not been effectively controlled worldwide.