Inslee: Masks required at large outdoor gatherings in Washington starting Sept. 13

Starting Sept. 13, masks will be required statewide in outdoor gatherings of 500 or more regardless of vaccination status, Washington Gov. Jay Inslee announced.

The new requirement — which takes effect Monday — comes days after similar outdoor mask mandates took effect in the state’s two most populous counties, King and Pierce, due to rising COVID-19 cases. An indoor mask mandate, regardless of vaccination status, has been in place in Washington since Aug. 23.

Last month, Oregon was the first state to reinstitute a statewide mask requirement for outdoor public areas where people are close together.

The Centers for Disease Control and Prevention has recommended that everyone regardless of vaccination status wear a mask in public indoor settings in areas where there is "substantial or high" rates of COVID-19 and has recommended considering masks in crowded outdoor settings in areas with high numbers of COVID-19 cases.

As of this week, all of the state’s 39 counties were in the "high" threshold range, according to a CDC tracker.

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Washington has already imposed a vaccine mandate for most state workers, plus all public, charter and private school teachers and staff and those working at the state’s colleges and universities. There is no weekly testing alternative, and the only opt-out is a medical or religious exemption.

An estimated 363,000 employees are covered under the mandate, though it’s unclear how many within that group are already vaccinated.

Last weekend, Washington’s largest state labor union announced a tentative agreement for the order as it applies to state workers.

The Washington Federation of State Employees, which had sued on behalf of its 46,000 workers, negotiated terms with the state that still must be ratified by members.

RELATED: Washington State Fair opens with new health, face mask protocols

The tentative agreement allows that anyone who is eligible to retire by the end of the year can forgo the vaccine if they use accrued or unpaid leave until they reach their retirement date. Those who miss the October deadline will also be allowed to take leave for up to 30 days in order to get vaccinated. And workers won’t lose their jobs while they wait for a determination on their exemption request and those denied will have 45 days on leave to get fully vaccinated.

There have been more than 528,000 confirmed COVID-19 cases — plus more than 62,000 "probable" cases — in Washington state, and 6,791 deaths. State health officials say that most of the state’s new infections are caused by the delta variant, a more contagious version of the coronavirus.

As of this week, nearly 74% of people age 12 and older have initiated vaccination and 67% are fully vaccinated.

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