Premise: Lyme disease , also known as Lyme borreliosis , is an infectious disease caused by bacteria of the Borrelia type . The most common sign of infection is an expanding area of redness on the skin , known as erythema migrans , that begins at the site of a tick bite about a week after it has occurred . If an infection develops , a number of antibiotics are effective , including doxycycline , amoxicillin , and cefuroxime .
Hypothesis: Lyme disease is genetic.
Label: CONTRADICTION