An Argentine gaucho, wearing a protective mask as a precaution against the H1N1 flu, enters a public hospital in Buenos Aires July 3, 2009. Argentina's death toll from the deadly H1N1 flu strain ranks third behind Mexico and the United States, and Argentines are increasingly worried about the virus as peak flu season approaches. REUTERS/Enrique Marcarian (ARGENTINA)
REUTERS/ENRIQUE MARCARIAN