is next. >> we will be back here with the kpix 5 news at 7 pm. have a good night. captioning sponsored by cbs ♪ >> brennan: breaking news. california says that a new and more contagious strain of coronavirus is spreading there, as the u.s. suffers its deadliest day of the pandemic. the growing fear tonight that this new mutation of the virus is spreading across the country and could push overwhelmed hospitals to the breaking point. why scientists say it is so easy to catch. plus, a dire new prediction of deaths expected in the coming days. distribution delays. seniors and health care workers wait to be vaccinated, as the leaders of operation warp speed admit the vaccine program isn't living up to its name. with more than 12 million doses delivered, why haven't more americans gotten them? third shot approved. england okays the oxford- astrazeneca vaccine, calling it