In Massachusetts the deer tick is a common tick and just as well it is a common threat for outdoor enthusiast. Between the months of April and September these ticks are most active. Although these ticks cannot jump or fly, they have the ability to cling to anyone/ anything that passes by and brushes up against it. A bite from a deer tick can cause a human to contract more than one disease at a time. It is possible to contract Lyme disease and Babesiosis at the same time. Early diagnosis of these diseases can help greatly however a prolonged exposure to the tick increases the chance that the human will contract either of the two diseases. The most apparent sign of a deer tick is the bull's eye shaped rash originating near the original bite.