Sano Shinsuke wears a mask to protect him from swine flu as he walks through Times Square after arriving on a flight from Japan, Tuesday, April 28, 2009 in New York.
Reasidents wearing protective masks to prevent infection from the ongoing swine flu epidemic stand in the street after being evacuated from a building after an earthquake in Mexico City, Monday, April 27, 2009. A strong earthquake struck central Mexico on Monday, swaying tall buildings in the capital and sending office workers into the streets..
Ana Navarro, 40, wears a mask as she waits in line with others to clear U.S. Customs crossing from Ciudad Juarez, Mexico, into El Paso, Texas, Monday, April 27, 2009. U.S. Customs officials are paying attention to anyone who may be sick and asking travelers about illnesses if they are entering from regions with confirmed swine flu outbreaks.
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