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Flu more widespread in US; eases off in some areas

Kris Magnussen, RN, administers the flu vaccine to Alexander Dyjak, 4, as his mother, Ellen, holds him during a vaccination clinic at Ledge Light Health District in New London, Conn., Thursday, Jan. 10, 2013. The Department of Public Health says there’s been a sharp increase in flu cases across Connecticut in recent weeks. The agency announced Thursday that 1,676 laboratory-confirmed cases of influenza have been reported in the state so far this season. (AP Photo/The Day, Sean D. Elliot) MANDATORY CREDIT

Kris Magnussen, RN, administers the flu vaccine to Alexander Dyjak, 4, as his mother, Ellen, holds him during a vaccination clinic at Ledge Light Health District in New London, Conn., Thursday, Jan. 10, 2013. The Department of Public Health says there’s been a sharp increase in flu cases across Connecticut in recent weeks. The agency announced Thursday that 1,676 laboratory-confirmed cases of influenza have been reported in the state so far this season. (AP Photo/The Day, Sean D. Elliot) MANDATORY CREDIT

Diane Ewell, of Phoenix, right, gets a flu shot from nurse Bhagwati Bhakta at Mollen Immunization Clinics in Scottsdale, Ariz. Thursday, Jan. 10, 2013. Arizona health officials say flu activity is widespread in the state this week with influenza reported in 14 of its 15 counties. (AP Photo/The Arizona Republic, Cheryl Evans) MARICOPA COUNTY OUT; MAGS OUT; NO SALES

Map shows frequency of reported influenza-like illnesses by state.