Warren County has launched a new walk-in COVID-19 testing site, officials announced Wednesday. The county health department, county partners, and Vault Health opened the center Wednesday at the the Goodwill Belvidere Firehouse, 689 Water St. in Belvidere. It will run through March 24. The testing site will be open 9 a.m. to 5 p.m. Monday through Thursday, and will offer PCR saliva tests and rapid antigen nasal swab tests There will be an abundance of tests on-hand, the county said, so visitors do not need to show up early in the day in order to obtain a test. The following individuals are elig…