A new tool could one day improve Lyme disease diagnosis
‘Fingerprint’ test distinguishes between two easily confused tick-borne illnesses
![black-legged tick on the left, lone star tick on the right](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/08/081517_AC_lyme_main.jpg?fit=860%2C460&ssl=1)
TICK TIMES TWO It can be difficult to correctly diagnose tick-borne diseases in locales with both the black-legged tick (left), which spreads Lyme disease, and the lone star tick (right), which can transmit southern tick‒associated rash illness or STARI.
Scott Bauer/USDA; CDC