President Biden Signs Executive Actions On Health Care

President Biden is reversing policies from the previous administration, focusing on healthcare. He signed executive orders to undo Trump's damage and reopened Obamacare enrollment from February 15th to May 15th, offering new coverage opportunities for those who lost jobs and insurance. Most states had ended enrollment in December.

Who is eligible for the new coverage opportunity mentioned in the text?

When did most states' open enrollment for health care end?