Lyme Disease

Lyme Disease & Tick-Borne Illnesses

5 Questions about Tick-Borne Illness and Lyme Disease Ticks are tiny arachnids, 3 mm to 5 mm in length (poppy seed size to sesame seed size) that feed on the blood of mammals and birds. Many species transmit diseases, including Lyme Disease, to both people and animals. Ticks that bite humans are present in all…