Six of the nation’s state-based exchanges continue to allow all residents a chance to enroll in comprehensive coverage through a special enrollment period, and another six state-based exchanges closed their enrollment windows as of May 15. So far, about 200,000 Americans have enrolled in coverage through the emergency COVID-19 SEPs offered by the states. The District of Columbia is keeping its enrollment open through Sept. 15, and California through June 30. Vermont, New York and Maryland will continue to enroll...