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H1N1 (Swine Flu): A Slight Rise in H1N1 Cases on College Campuses…Third Wave Starting?

March 1, 2010

This week the American College Health Association (ACHA) reported a slight uptick in the number of new Influenza-like illnesses (ILI) from their reporting campuses.

The ACHA reports their data using the ten HHS regions in the US.

In this period of influenza activity, February 13 – 19, a total of 924 new ILI cases were reported (no hospitalizations or deaths) among campus populations totaling nearly 2.3 million. Fifty-nine percent of 178 colleges and universities reported new ILI cases, compared to 52 percent reporting new cases for the previous week. The nationwide attack rate was 4.1 cases/10,000 students, 52 percent higher than the previous week’s rate. This represents the first increase in disease activity since the end of November 2009. Some institutions in the southeast and midwest regions have reported slight increases in disease activity.

ACHA Weekly Report - February 13 - 19, 2010

“From this ongoing sample of 2-3 million students, we have now observed over 92,000 cases of ILI since late August of 2009. Data on vaccine availability still reflects nearly 85 percent of reporting institutions having quantities of the vaccine. Uptake remains relatively low with about 8 percent of students being vaccinated. Encouragingly, institutions from some states report vaccine uptake rates of 35-40 percent,” according to Dr. James C. Turner, president of the American College Health Association and executive director of the department of student health at the University of Virginia.

Conversely, the weekly CDC Flu View report continues to show decreasing flu cases reported in the United States with only three states reporting regional activity: Alabama, Georgia, and South Carolina.

http://www.acha.org/ILI_Project/ILI_Surveillance.cfm

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

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