Americas

Poverty, tendency to self-medicate help drive up flu deaths in Mexico

Several theories have emerged as to why all but one of the confirmed deaths from swine flu have occurred in Mexico. Much of it is speculation -- that Mexico City's 7,300-foot elevation exacerbates respiratory illnesses. But a critical factor, according to specialists here, is that flu victims have delayed checking into hospitals until their condition has deteriorated so much they cannot be saved.

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