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Ever wonder why sailors rarely fall ill at sea? Read why

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The CDC announces a new global agenda. They also find out why sailors rarely fall ill at sea.

This week, the U.S. partnered with more than 25 countries and several international organizations, and launched the global health security agenda, an initiative to combat the spread of deadly diseases and the threat of Bio-terrorism.

In our globally connected world, an outbreak anywhere in the world – be it the flu, tuberculosis or Ebola is only a plane ride away, say experts.

The initiative will focus on improvements in prevention, detection and rapid response of disease outbreaks.

And with all the outbreaks of Norovirus on cruise ships in recent years, you may be surprised to learn cases among sailors are rare.

The difference is military discipline.

The ships are scrubbed from stem to stern every day. Medical staff inspect the galley constantly, looking for everything from dirt to expired food.

Is a sailor does get sick, he is quickly isolated.

Social interaction may be part of a cruise, but it also helps a virus spread quickly.