COVID in California: Mixing and matching on boosters is effective for Johnson & Johnson recipients, study finds

COVID in California: Mixing and matching on boosters is effective for Johnson & Johnson recipients, study finds

Even as COVID case rates decline in California, health experts cautioned the hard times may not be over. When San Francisco and Marin County loosen mask mandates on Friday, fully vaccinated people in some public spaces will face new decisions. California’s higher-education systems differed vastly in terms of how the coronavirus pandemic affected undergraduate enrollment. San Francisco schools have lost 3,499 students in the past two years, a drop in enrollment that could mean a $35 million hit in state funding. Resources on COVID-19 and California’s reopening: For detailed maps and new city-by-city Bay Area data, check The Chronicle’s Coronavirus Tracker. To get regular updates on our coverage, sign up for our coronavirus newsletter. Latest updates: No link between Sonoma teen's death and COVID-19 vaccine: The death of a 15-year-old …
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