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Influenza—United States Update on Activity

JAMA. 1988;259(17):2531. doi:10.1001/jama.1988.03720170013008.
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Lui K-J, Kendal AP.  Impact of influenza epidemics on mortality in the United States from October 1972 to May 1985. Am J Public Health 1987;77:712-6.
Link to Article[[XSLOpenURL/10.2105/AJPH.77.6.712]]
Centers for Disease Control.  Antigenic variation of recent influenza A(H3N2) viruses. MMWR 1988;37:38-40,46-47.
The epidemic threshold for the 1987-88 influenza season was estimated at 1.645 standard deviations above the values projected on the basis of a periodic regression model applied to observed P&I deaths for the previous 5-year period, but excluding the observations during influenza outbreaks.
Alabama, Arkansas, Connecticut, Georgia, Illinois, Louisiana, Maine, Massachusetts, Nebraska, New Jersey, New York, North Carolina, South Carolina, Texas, Vermont, and Virginia.
Alabama, Alaska, Arizona, Arkansas, California, Connecticut, Delaware, Hawaii, Illinois, Iowa, Maine, Massachusetts, Montana, Nebraska, Nevada, New Mexico, New York, Ohio, Pennsylvania, Tennessee, Texas, Utah, Virginia, Washington, West Virginia, and Wisconsin.


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