Article Photos: Flu season has Boston declaring health emergency 1/4

Four-year-old Gabriella Diaz sits as registered nurse Charlene Luxcin, right, administers a flu shot at the Whittier Street Health Center in Boston, Mass., Wednesday, Jan. 9, 2013. Boston declared a public health emergency Wednesday as the city tried to deal with a harsh flu season and the state reported 18 flu-related deaths so far. (AP Photo/Charles Krupa)