Top U.S. health officials on March 23 urged Congress to approve fresh funding for COVID-19 relief as a federal health agency stopped accepting claims from the uninsured for COVID-19 testing and treatments. President Joe Biden and administration officials are warning that funding for additional COVID-19 vaccine booster shots, treatments, and tests will run out in the weeks and months ahead if congressional leaders don’t reach an agreement. “Congress has failed to act. They’ve failed to provide the necessary funding. And we’re already seeing the consequences,” Jeffrey Zients, coordinator of the White House COVID-19 response team, told reporters during a virtual briefing. Because of funding approved from Congress, the federal government has for most of the pandemic made all vaccines and some treatments and tests free for Americans. The latest tranche came in a $1.9 trillion package passed by Democrats in 2021. But that money is running out, causing the Health …