Tickborne Diseases — Confronting a Growing Threat | NEJM 26 Jul 201826 Jul 2018 docwesspublichealthtriage Common Ticks Associated with Lyme Disease in North America. Two hard-bodied ticks that carry the spirochetes that cause Lyme disease are shown, along with representations indicating their size during the developmental stages. https://www.nejm.org/doi/full/10.1056/NEJMp1807870?query=TOC Share this:TweetPrintShare on TumblrPocketTelegramWhatsAppEmailMoreLike this:Like Loading...