India, Sept. 5 -- California is experiencing a late-summer surge in COVID-19 cases, hospitalizations, and positive test rates, prompting new warnings from public health officials. The US Centers for Disease Control and Prevention (CDC) reported that infections were 'growing' or 'likely growing' in 30 states, including California, where wastewater surveillance indicates 'high' levels of the virus.

Another Newsweek report quoted Dr Aimee Sisson, health officer for Yolo County, describing the situation as a 'summer COVID wave' and advising residents in West Sacramento to wear masks indoors due to high concentrations of the virus in sewage.

Test positivity rates across California have more than doubled in a month. For the week ending August...