What to know as ticks spread to new regions and bring new threats

It’s summertime, and ticks are out in full force. While in certain parts of the country, ticks have long been an issue, they’re now spreading to new regions and bringing new threats. William Brangham discussed the blood-sucking terrors with Holly Gaff, a mathematical ecologist who studies ticks at Old Dominion University. Watch PBS News for daily, breaking and live news, plus special coverage. We are home to PBS News Hour, ranked the most credible and objective TV news show. Sign up for Here's The Deal with Lisa Desjardins: https://to.pbs.org/41q6E8i Subscribe for exclusive content in our newsletters: https://www.pbs.org/newshour/subscribe PBS News podcasts: https://www.pbs.org/newshour/podcasts Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS News at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6 Follow us: TikTok:   / pbsnews   X:   / newshour   Instagram:   / newshour   Facebook: http://www.pbs.org/newshour