Photo courtesy of CCHS A walk-in vaccine clinic opened today at Veterans Memorial Hall in Richmond, according to Contra Costa Health Services. It’s one of several pop-up walk-in clinics opening countywide in the coming weeks, part of a partnership between the County and California Office of Emergency Services. About 500-700 vaccinations a day can be given at each walk-in site, all of which open from 9 a.m. to 4 p.m. Currently, clinics are open at Veterans Memorial Hall, 968 23rd St., and Antioch Community Center, 4703 Lone Tree Way. Those clinics will remain open daily through April 25. From April 26 through May 2, pop-up clinics will open at John Missionary Baptist Church, North Campus, 29 8th St., in Richmond; and also at Albert D. Seeno Jr. Pittsburg Youth Development Center, 1001 Stoneman Ave. in Pittsburg.