COVID-19 Vaccine Eligibility <br />Opens to All US Citizens.<br />All adults in the United States <br />and Puerto Rico are now eligible <br />to receive the COVID-19 vaccine.<br />Hawaii, Massachusetts, New Jersey, Oregon, <br />Rhode Island and Vermont were the final states <br />to open up eligibility on Monday.<br />President Joe Biden had <br />initially set May 1 as the <br />deadline for all adults <br />to become eligible, .<br />but moved the date up to April 19 <br />as vaccinations accelerated.<br />More than 131 million adults, or half of all American adults, have received at least one dose as of Sunday