(Reuters) -California, Oregon and Washington will stop requiring masks in schools after March 11, but masks will remain required in higher-risk settings such as healthcare facilities, the governors said in a joint statement on Monday. The announcement comes after the U.S. Centers for Disease Control and Prevention on Friday eased guidelines for indoor masking across most of the nation. The CDC’s latest school guidance recommends masking only in areas of high COVID-19 transmission, instead of universal masking. “As has been made clear time and again over the last two years, Covid-19 does not st…