A vaccine scientist warns that the next four to five months could be "one of the darkest chapters in modern American history" as more than half of states report a rise in new infections.

 

A vaccine scientist warns that the next four to five months could be "one of the darkest chapters in modern American history" as more than half of states report a rise in new infections. https://t.co/LATjzkq1AJ pic.twitter.com/unBryJPwC1

— CNN (@CNN) October 20, 2020