16 dead in flu outbreak; Mexico closes schools, studies strain for link to new US flu

MEXICO CITY — Mexico City closed schools across the metropolis of 20 million Friday after at least 16 people died and more than 900 others fall ill from what health officials suspect is a new strain of swine flu. World health officials worried that it could mark the start of a flu pandemic.

Flu epidemic prompts Mexico City to suspend all school, university classes, as strain studied

MEXICO CITY — Mexico City has suspended classes at schools and universities to contain what could be a new flu strain.