COVID cases, hospitalizations and deaths are rising again as the extremely contagious delta variant of the coronavirus takes hold as the dominant strain in the US. In some parts of the country, there are more hospitalizations and cases of COVID than there were last winter, the peak of the pandemic. The vast majority of people being hospitalized with COVID and dying from the disease haven't been fully vaccinated, according to public health officials. More than 97% of hospitalizations from COVID right now are of unvaccinated people, Dr. Rochelle Walensky, director of the Centers of Disease Control and Prevention, said at...