The data displays the number of chikungunya virus disease cases in the United States from 2014 to 2017. In 2014, there were a total of 2,811 cases of chikungunya virus. In 2016, this number dropped to only 248 cases.
2014 | 2811 |
2015 | 896 |
2016 | 248 |
2017 | 114 |