H1N1

Donald McNeil:

Although it is too early to write the obituary for swine flu, medical experts, already assessing how the first pandemic in 40 years has been handled, have found that while luck played a part, a series of rapid but conservative decisions by federal officials worked out better than many had dared hope...

For example, in the early days, they ignored advice to close the Mexican border and pre-emptively shut school systems. They released part of the national Tamiflu stockpile, but did not give it to millions of healthy people prophylactically, as Britain did. They ordered vaccine made with a 50-year-old egg technology rather than experimental methods. They bought adjuvants — chemical "boosters" — that could have stretched the first 25 million vaccine doses into 100 million, but did not use them for fear of triggering a backlash among Americans made nervous by the messages of the antivaccine movement.

See, it's just like Y2K. Do a lot of work and it will turn out less than feared (and the work will help with ancillary things, like preparing for the next one, shoring up infection control and hospital surge capacity, and other things that can be used for any disaster.)