25. Lyme Bacterium Borrelia bergdorferi in spirochete formation Successfully killed by antibiotics in this stage
26. Cystic Form of Borrelia bergdorferi , Lyme bacteria Special drug treatment required during this stage
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30. With approximately 20,000 new cases reported each year, Lyme disease is the most common vector-borne disease in the United States Since Lyme disease became nationally notifiable in 1991, the annual number of reported cases has more than doubled. A more accurate estimate is suspected of being 10-fold these numbers.