Regarding what we face now, I want to remind the world that influenza pandemics cannot be stopped, but they can be slowed. Efforts to slow the spread of H1N1 are useful. They buy time, time for community education in things like hygiene, time for the healthcare system to prepare for the burdens of caring for the sick, time to develop and manufacture an H1N1 vaccine, etc.
But ultimately, the virus will spread anyway. And when it does, the things countries are quite rightly doing to slow the spread will no longer be worth doing. I’m talking about things like checking incoming travelers, tracing and then quarantining the contacts of people who have become ill with the disease, administering antivirals even to people with mild symptoms or no symptoms at all, etc. Many countries are rightly doing these things when they have only a handful of known cases, and rightly stopping when they have hundreds or even thousands of known cases and evidence of sustained community transmission.