Number of cases of vector-borne disease U.S. 2016, by disease

Number of cases of notifiable vector-borne diseases in the U.S. in 2016, by disease

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