A new strain of COVID-19?

Published: May 6, 2020, 10:52 a.m.

b"President Trump made his first cross-country trip in weeks on Tuesday \\u2013 visiting a factory in Phoenix. Meanwhile there is a report that new mutant strain of the coronavirus is even more contagious than the versions that spread in the early days of the pandemic. What are scientists saying about the new strain? NBC News Radio's Michael Bower joins Tony."