The data shows the number of cases of notifiable vector-borne diseases in the United States in 2016, by disease. In that year, there were around 26,203 confirmed cases of Lyme disease, making it the most common vector-borne disease in the United States Lyme disease is transmitted to humans through ticks. The most common mosquito-borne disease in the United States was West Nile virus.
Lyme disease (tick-borne) | 26203 |
Anaplasmosis/Ehrlichiosis (tick-borne) | 5750 |
West Nile virus (mosquito-borne) | 2149 |
Malaria (mosquito-borne) | 1955 |
Babesiosis (tick-borne) | 1585 |
Dengue (mosquito-borne) | 903 |
Chikungunya (mosquito-borne) | 247 |
Tularemia (tick-borne) | 230 |
Spotted Fever Rickettsia (tick-borne) | 154 |
Powassan (tick-borne) | 22 |
St. Louis encephalitis (mosquito-borne) | 8 |
Eastern equine encephalitis (mosquito-borne) | 7 |
Plague (flea-borne) | 4 |