The CDC Is Investigating a Flu Outbreak at University of Michigan: Here’s What You Need to Know
Cases of the flu, which has been specifically IDed as the influenza A strain, increased over the last two weeks, with 313 new cases detected the week of November 8, and 198 new cases the previous week. The latest test positivity rate is 37%.By comparison, the national flu case percent positivity rate is 0.3%, according to
. Data from the CDC is lagging a little, but currently show that there were just 211 new cases detected in the entire country the week of October 31. Meaning, this outbreak is currently well above current nationwide flu trends.“as soon as possible,” the news release says. The CDC will be evaluating the flu vaccine’s effectiveness, risk factors for the spread of the virus on campus, having people fill out questionnaires, and collecting samples from flu patients.
“We’ve only had very scattered influenza cases so far, and this is a large outbreak in a defined population very early in the season,” says William Schaffner, M.D., an infectious disease specialist and professor at the Vanderbilt University School of Medicine. “There is CDC interest in going out, taking samples of the flu viruses to determine which strains are involved, and to really look at this in a semi-enclosed population.” This analysis, Dr.
It’s important to point out that last year’s flu season was practically non-existent, says infectious disease expert Amesh A. Adalja, M.D., a senior scholar at the Johns Hopkins Center for Health Security. Between October 3, 2020 and July 24, 2021, the CDC saw just 2,136 positive flu tests out of 1.3 million specimens tested by laboratories, according to official data published by
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