Orange County students can ditch masks after March 11

Meanwhile, some local public health experts say state and local public health officials should make sure air purification systems are in place at schools before masks are allowed to come off. Nakia Best, a UCI nursing school [assistant] professor who works on an advisory group to schools, said that accounting of air purification systems is critical. “The ventilation systems in these schools are not up to par,” Best said in a Friday phone interview. “That’s an overhaul schools need to do at some point.”