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We live in a world where
threats to health arise from the speed and volume of air travel, the way
we produce and trade food, the way we use and misuse antibiotics, and
the way we manage the environment.
All of these activities affect
one of the greatest direct threats to health security: outbreaks of
emerging and epidemic-prone diseases.
Outbreaks are unique public
health events because of their ability to cross national borders,
undetected and undeterred. Traditional defences at national borders are
no protection against a microbe incubating in an unsuspecting traveller
or an insect hiding in a cargo hold.
All nations are at risk. This
universal vulnerability creates a need for collective defences and for
shared responsibility in making these defences work.
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