In the event of some terrible outbreak -- SARS, "swine flu," whatever it was Gwyneth Paltrow got at the beginning of Contagion -- the airports most likely to spread disease aren't necessarily the biggest or the busiest, according to a new study.
30 years ago, four letters equaled a death sentence. AIDS was shrouded in mystery. Was it contagious by breathing the same air as an infected person? By touching them? Kissing them?
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