The potent opioid fentanyl is driving a dramatic increase in overdose deaths — and health experts agree that rapid testing strips can save lives. Still, access remains limited. Here's what's at stake.

In a move that mirrors fentanyl testing strip distribution two years ago, Democratic Gov. Tony Evers signed a bill into law Tuesday that would decriminalize the use of xylazine testing strips.

The hope is that when people become aware that their drug has fentanyl in it, they'll be more cautious. The test strips cost about a dollar each and come from Canada. Philadelphia’s health department ...