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RSV Census Division Trends

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Participating laboratories report weekly to CDC the total number of RSV tests performed that week, and the number of those tests that were positive. Because reporting delays may be expected for some laboratories, data shown for the more recent weeks may be less complete than others. Each point on the trend graphs below displays the average number of RSV tests that were performed, and the average percent of those that were positive from three adjacent weeks: the specified week, and the weeks preceding and following it. This is also known as a centered 3-week moving average.

In the United States, RSV infections typically occur at the time of annual community outbreaks, during late fall, winter, and early spring. There may be variation in the timing of outbreaks between regions, and between communities in the same region.

Census Division Image Map, Census Division Selector

New England: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont Middle Atlantic: New Jersey, New York, and Pennsylvania East North Central: Indiana, Illinois, Michigan, Ohio, and Wisconsin West North Central: Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, and South Dakota South Atlantic: Delaware, Distric of Columbia, Florida, Georgia, maryland, North Carolina, South Carolina, Virginia, and West Virginia East South Central: Alabama, Kentucky, Mississippi, and Tennessee West South Central: Arkansas, Louisiana, Oklahoma, and Texas Mountain: Arizona, Colorado, Idaho, New Mexico, Montana, Utah, Nevada, and Wyoming Pacific: Alaska, California, Hawaii, Oregon, and Washington

About Census Regions and Divisions [1 MB, 2 pages]

New England Census Division

Middle Atlantic Census Division

East North Central Census Division

West North Central Census Division

South Atlantic Census Division

East South Central Census Division

West South Central Census Division

Mountain Census Division

Pacific Census Division

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