San Mateo County announced Thursday it will open vaccine eligibility to the next phase of residents starting Feb. 22. That includes first responders, food and agriculture workers and teachers and child care providers. The decision comes after the county had previously said it would stick to vaccinating just residents 65 and older â in addition to health care workers and long-term care residents â because of high death rates among the older population. The county has now reversed that position, and starting Feb. 22, anyone included in the stateâs â1Bâ tier will be elig...