JEFFERSON CITY, Mo. (AP) — To the issues creating a partisan divide in state legislatures across the U.S., add this one: masks.

Many Democratic lawmakers are wearing them amid the coronavirus outbreak while many Republicans refuse.

"Public health has become partisan," bemoaned South Carolina state Rep. Kambrell Garvin, a Democrat who recently became ill from COVID-19.

As legislatures around the country resume work following coronavirus suspensions, Democrats and Republicans also have split over social distancing, remote voting and the extension of emergency powers for governors who had ordered...