NIH Director Collins: Unvaccinated Americans 'are sitting ducks' as delta variant causes 'world of hurt'
National Institutes of Health Director Dr. Francis Collins is warning unvaccinated Americans to get their shots and for everyone to go back to wearing masks as infectious-disease case numbers have skyrocketed over the past month. CDC records show that there are now 129,701 daily new cases of COVID-19, up more then 700% from early July,…