i think better to go and see a psychologist... if everyone was stop doing things because of having fears, the world would have stopped developing before it started...
you are not driving because you are afraid of accidents? you are not flying because you are afraid of airplane crashes? are you afraid of choking down, getting drown? You have much less chances to get a swine flu then to get into one of above situations...
you might have some worries, but it doesn't mean you don't fly!

Scarlett, how did you like (dislike) Russia? ;)

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"What lies behind us and what lies before us are small compared to what lies within us."
Oliver Wendell Holmes