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CDC: Flu season off to busy start in most parts of U.S.

Monday January 13, 2014
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Influenza activity continued to increase in the U.S. during the week of Dec. 29-Jan. 4, according to the CDCs latest surveillance report.

Influenza activity in 35 states was considered widespread geographically. During the flu season to date, 9.7 people per 100,000 have been hospitalized with laboratory-confirmed influenza.

The most commonly reported underlying medical conditions among adults were obesity, metabolic disorders, cardiovascular disease and asthma, according to the report.

The most commonly reported underlying medical conditions in children were asthma, obesity, neurologic disorders, chronic lung disease (excluding asthma) and cardiovascular disease. Approximately 43% of hospitalized children had no identified underlying medical conditions. Among 84 hospitalized women of childbearing age (ages 15-44), 19 were pregnant.

The proportion of outpatient visits for influenza-like illness defined as a body temperature of 100 degrees or higher with cough or sore throat — was 4.4%, above the national baseline of 2%.

Based on outpatient visits, influenza-like activity was considered high in 20 states: Alabama, Arkansas, Colorado, Idaho, Illinois, Indiana, Kansas, Kentucky, Louisiana, Minnesota, Mississippi, Missouri, Nevada, New Mexico, North Carolina, Oklahoma, Oregon, Tennessee, Texas and Virginia.

Four pediatric deaths associated with influenza were reported for the week, for a total of 10 overall during the 2013-14 season. Overall, 6.9% of all deaths reported through the 122 Cities Mortality Reporting System were due to pneumonia and influenza. This rate was below the epidemic threshold of 7.1% for week 1.

Full data: http://www.cdc.gov/flu/weekly/


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