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Major test of first possible Lyme vaccine in 20 years begins

Away from volunteers participating in a new Lyme disease vaccine trial registered nurse Janae Roland, at the Altoona Center for Clinical Research prepares either the vaccine or a placebo Friday, Aug. 5, 2022, in Duncansville, Pa. (AP Photo/Gary M. Baranec) Janae Roland, a registered nurse at the Altoona Center for Clinical Research begins the process of preparing refrigerated doses of a new Lyme disease vaccine Friday, Aug. 5, 2022, in Duncansville, Pa. (AP Photo/Gary M. Baranec) Dr. Alan Kivitz, right, a rheumatologist at the Altoona Center for Clinical Research describes future steps involved in a new Lyme disease vaccine trial to Robert Terwilliger of Williamsburg, Pa., who was the first volunteer to receive either the vaccine or a placebo Friday, Aug. 5, 2022, in Duncansville, Pa. Black-legged ticks, also called deer ticks, carry Lyme-causing bacteria. The infection initially causes fatigue, fever and joint pain. Often -- but not always -- the first sign is a red, round bull's-eye rash. (AP Photo/Gary M. Baranec) Away from volunteers participating in a new Lyme disease vaccine trial, registered nurse Janae Roland, prepares either the vaccine or a placebo at the Altoona Center for Clinical Research, Friday, Aug. 5, 2022, in Duncansville, Pa. The Centers for Disease Control and Prevention cites insurance records suggesting 476,000 people are treated for the the tick-borne disease in the U.S. each year. (AP Photo/Gary M. Baranec) Robert Terwilliger, right, of Williamsburg, Pa., who is participating in a Lyme disease vaccine trial at the Altoona Center for Clinical Research, is injected with either the new vaccine or a placebo, by registered nurse Janae Roland, Friday, Aug. 5, 2022, in Duncansville, Pa. Lyme is a growing problem, with cases steadily rising and warming weather helping ticks expand their habitat. (AP Photo/Gary M. Baranec)