Sunday, May 17, 2009

Why do people appear to develop less severe swine flu outside of Mexico?

This is not yet understood, and there could be a variety of explanations. It may be that people affected in Mexico may have sought treatment at a much later stage than those in other countries. General living and nutritional standards may also play a role. Other experts have suggested that there may even be a second separate virus circulating in Mexico which is having an impact but this is not known.

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