President Joe Biden said Tuesday the U.S. expects to take delivery of enough coronavirus vaccine for all adults by the end of May — two months earlier than anticipated — and he pushed states to get at least one shot into the arms of teachers by the end of May.

Dubuque County supervisors voted unanimously on Friday afternoon to extend the countywide mask mandate.

Johnson & Johnson’s single-dose vaccine protects against COVID-19, according to an analysis by U.S. regulators today that sets the stage for a final decision on a new and easier-to-use shot to help tame the pandemic.