CNN CNN Newsroom With Jim Acosta November 26, 2021 23:06:00
To find out if the current vaccines can fight this new variant off. >> reporter: a new variant spreading quickly. u.s. health authorities in contact with officials there. >> we want to find out scientist to scientist exactly what is going on. seeing that it's a bid more widespread in south africa than originally felt. >> reporter: researcher in south africa say there's likely reason to be worried. they say this variant has more than 30 mutations in the spike protein. that's the part of the virus that gains entry to the human cells to cause infection. the vaccines target the spike plo teen. if ...