This statistic shows the number of chikungunya virus disease cases in the U.S. in 2019, by state. In 2019, there were a total of *** cases of chikungunya virus, ** of which occurred in California, the highest number of chikungunya cases of any U.S. state.
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CDC. (May 1, 2020). Number of chikungunya virus disease cases in the U.S. in 2019, by state [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 28, 2026, from /statistics/742927/chikungunya-virus-case-numbers-united-states-by-state/
CDC. "Number of chikungunya virus disease cases in the U.S. in 2019, by state." Chart. May 1, 2020. ÌÇÐÄÆƽâ°æ. Accessed July 28, 2026. /statistics/742927/chikungunya-virus-case-numbers-united-states-by-state/
CDC. (2020). Number of chikungunya virus disease cases in the U.S. in 2019, by state. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 28, 2026. /statistics/742927/chikungunya-virus-case-numbers-united-states-by-state/
CDC. "Number of Chikungunya Virus Disease Cases in The U.S. in 2019, by State." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 1 May 2020, /statistics/742927/chikungunya-virus-case-numbers-united-states-by-state/
CDC, Number of chikungunya virus disease cases in the U.S. in 2019, by state ÌÇÐÄÆƽâ°æ, /statistics/742927/chikungunya-virus-case-numbers-united-states-by-state/ (last visited July 28, 2026)
Number of chikungunya virus disease cases in the U.S. in 2019, by state [Graph], CDC, May 1, 2020. [Online]. Available: /statistics/742927/chikungunya-virus-case-numbers-united-states-by-state/
