Jose Antonio Freire Interian was walking his dog near his Key West home when a neighbor began recording him on her cellphone. Hours later, police came knocking on his door with an arrest warrant and whisked Freire and his wife to the county jail.

The charge: violating quarantine after testing positive for COVID-19.

As a national debate swirls over masks and self-quarantines, communities are grappling over how aggressively they should enforce myriad rules meant to control the spread of the novel strain of coronavirus, which has now infected more than 460,000 in Florida and killed nearly 6,600 of its residents.