Since the International Brotherhood of Teamsters averted a strike when it ratified a new contract with UPS on Tuesday, the Kaiser coalition is currently embroiled in the largest single-employer negotiations in the U.S.

Four months into negotiations, Regan said the coalition had not received a counterproposal from Kaiser Permanente, the largest nonprofit health care provider in the U.S.

In a May survey of 33,000 healthcare workers by SEIU-UHW, two-thirds said they’d witnessed delays in or denial of care due to understaffing.