JAMA Network Open has published a new study showing that, from April 1, 2020, to February 27, 2023, in California, an estimated 146,210 COVID-19 cases were averted by vaccination in teens aged 12 to 15 years, representing a 37% reduction.
Areas of populous cities along California's stretch of the Pacific Ocean could be flooded or entirely consumed by water if, due to the effects of climate change, sea levels rise as predicted, modeling suggests.
California's relaxed COVID isolation guidance marks a milestone in public health messaging about the pandemic: Even newly infected people no longer need to isolate if they have no symptoms, or they can leave home sooner if the illness starts improving quickly. ...
Oregon and California, among the most cautious of states early in the pandemic, have surprised health officials elsewhere by breaking with Centers for Disease Control and Prevention guidelines and telling infected workers and schoolchildren that as long as they have no symptoms, they are generally free to go about their lives.
COVID-positive students no longer have to stay home, as long as they do not have any symptoms, according to district officials. Asymptomatic, COVID-positive students should wear a mask at school while indoors, the response team added.
