By Megan Brooks
WebMD Health News
Nov. 15, 2018 — Tick-borne diseases are once again on the rise in the United States, and the reasons aren’t clear, the CDC says.
Latest Infectious Disease News
In 2017, state and local health departments reported a record number of cases of tick-borne diseases to the CDC, according to surveillance data. Cases of Lyme disease, Rocky Mountain spotted fever, Powassan virus, and other tick-borne illnesses increased from 48,610 cases in 2016 to 59,349 cases in 2017.