Health November 23, 2021 8:18 pm Yale Researchers Working to Develop Lyme Disease Vaccine Deer ticks spread Lyme disease, which can cause serious infections. And while deaths are rare, cases in humans are not. US & World Videos 0:40 High school students participate in welding competition 1:06 Police respond to middle school in Fair Haven 4:36 Camps removed at pro-Palestinian protests on UConn and Yale campuses 0:59 Camps removed at pro-Palestinian protests at UConn, Yale as police respond 2:29 Morning forecast for April 30