COVID-19 | California's top public health officer has resigned following data-collection failures that led to an undercount of coronavirus cases as the state was reporting a downward trend in Covid-19 infections, Governor Gavin Newsom said on Monday.

Dr Sonia Angell offered in a letter to step down as the director of the Department of Public Health over the weekend, and "I accepted her resignation," Newsom told a news conference in Sacramento, the state capital...