A worker wearing bio-hazard protection suit as a precaution against swine flu clean a hallway at a National Pedagogical University in Mexico City, Wednesday, May 6, 2009. Mexican officials lowered their flu alert level in the capital on Monday, and plan to allow schools, businesses, museums and libraries to reopen this week. (image by MTF)
A worker wearing bio-hazard protection suit as a precaution against swine flu clean a hallway at a National Pedagogical University in Mexico City, Wednesday, May 6, 2009. Mexican officials lowered their flu alert level in the capital on Monday, and plan to allow schools, businesses, museums and libraries to reopen this week.
©MTF
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