COVID-19 testing sites on the Central Coast may see an increase in patients after state's announcement and last updated 2021-07-26 23:28:14-04 With the announcement that California will require state employees and health care workers to provide COVID-19 vaccine verification or get tested weekly, many testing centers across the Central Coast could see more people coming in for tests. State employees and health care workers will need to have proof of vaccination in August or theyâll have to undergo a weekly COVID-19 test and wear their masks to work. According to the state, health care workers might be subject to testing twice a week, depending on whether they work in areas that require patient care and patient encounters.