Of 6,219 specimens tested and reported by U.S. World Health Organization and National Respiratory and Enteric Virus Surveillance System collaborating laboratories 13.3 percent were positive for influenza.

Alabama, Louisiana, Mississippi and Texas reported high influenza-like illness — defined by a fever of 100 degrees F or greater and cough and/or sore throat.

Activity levels are based on the percent of outpatient visits in a state due to influenza-like illness and they are compared to the average percent of influenza-like illness visits that occur during weeks with little or no influenza virus circulation.

Forty-one states experienced minimal influenza-like illness activity, while Arkansas, Colorado, Oklahoma, South Carolina, Utah and New York City experienced low influenza-like illness.

None of the states reported widespread influenza activity — more than 50 percent of the state reporting influenza activity, but regional influenza activity was reported by Alabama, Arkansas, Colorado, Florida, Kentucky, Louisiana, Maine, Maryland, Mississippi, North Carolina, Oklahoma, South Carolina, Texas and Utah.

Local influenza activity was reported by Alaska, Arizona, Connecticut, Georgia, Illinois, Kansas, Massachusetts, Michigan, Minnesota, Nebraska, Nevada, New Jersey, New York, Ohio, Oregon, Tennessee, Virginia and Wyoming.

Sporadic influenza activity was reported by the District of Columbia, Guam, Puerto Rico, California, Delaware, Hawaii, Idaho, Indiana, Iowa, Missouri, Montana, New Mexico, North Dakota, Pennsylvania, Rhode Island, South Dakota, Washington, West Virginia and Wisconsin.

The U.S. Virgin Islands and New Hampshire and Vermont reported no influenza activity.