The first reported cases of Lyme disease surfaced in 1968; a half century later, CDC scientists believe there could be more than 300,000 new cases in the US every year. As this and other debilitating tick-borne diseases continue to spread, their origins have remained elusive. Some believe global warming is fueling the epidemic, others attribute it to human migration. But the fundamental question persists: where did Lyme disease come from? This mystery prompted Stanford University science writer and Lyme disease survivor Kris Newby to launch an investigation that led her to startling discoveries linking the outbreak to America's clandestine biological warfare program. In BITTEN: The Secret History of Lyme Disease and Biological Weapons (Harper Wave; May 14, 2019; ISBN: 978-006-289-6278; 352 pages; $26.99)‚Äîa riveting work of scientific reportage and biography that reads like a thriller‚ÄîNewby reveals the story of Willy Burgdorfer, the man who discovered the microbe behind the disease, and his role in covering up evidence that could implicate another tick- borne organisms in the original outbreak.