SAN FRANCISCO - California continues to change up its coronavirus vaccine system with its top health officer on Tuesday suggesting revisions to who’s next in line for still-scarce doses as officials put together a still-murky statewide distribution and data collection system aimed at ensuring speed and equity.The state of nearly 40 million residents has administered more than 3.5 million doses, significantly boosting the daily number of shots it was giving out just weeks ago, said Dr.