There's been plenty of speculation about whether or not the H1N1 vaccine could pose health threats or other side effects.
Rumors have been rampant in the United States and elsewhere that it is a dangerous vaccine, spurring debate on whether or not to get it. Some even say it is part of a larger conspiracy theory.
In the Middle East, "a wave of panic" spread quickly in recent weeks after the rumor that "H1N1 vaccines destroy the immune system and reduce fertility rates by 80 percent."
Another prominent rumor is that the swine flu vaccine could even lead to death, partly inspired by one such claim in August.
CBS News decided to address the hot topic directly through an investigation on the dangers of the H1N1 vaccine.
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