A heatwave is caused by a system of higher atmospheric pressure. In a high pressure system, air from upper levels of the atmosphere descends and rotates outward. As it comes down, it becomes compressed, which increases its temperature and dries it out.
Lyme disease: An inflammatory disease that is caused by the bacterium Borrelia burgdorferi, which is transmitted to humans by the deer tick. The first sign of Lyme disease is a red, circular, expanding rash, usually radiating from the tick bite, followed by flu-like symptoms and joint pains.
Lyme disease is the most commonly reported vector-borne illness in the United. States although it is not common to all states. Lyme disease is a bacterial disease that. is transferred to humans from the bite of an infected tick of the family Ixodidae; the. bacteria that causes Lyme disease is Borrelia burgdorferi. There are several reservoirs.