RSV National Trends

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Updated September 28, 2023

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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 most recent weeks, in particular the most recent two weeks, may be less complete than others. The trend graph below displays the weekly national average percent of diagnostic tests positive for RSV among all the diagnostics performed to detect RSV, as reported by participating laboratories. The RSV detection graphs below display the 5 week moving average (average of the 4 previous and current weeks) in accordance with the recommendations for assessing RSV trends by detections.

Respiratory Syncytial Virus (RSV)

Percent Positive

SVG: Percent positive respiratory syncytial virus tests in the United States, by week

Table: Percent positive respiratory syncytial virus tests in the United States, by week

Data for recent weeks may be incomplete due to delays in reporting. These preliminary data are shaded gray and may change as more data become available.

Detections

SVG: RSV detections in the United States, by week

Table: RSV detections in the United States, by week

Data for recent weeks may be incomplete due to delays in reporting. These preliminary data are shaded gray and may change as more data become available.