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PBS News Hour
Slowing the spread of new COVID strains
The data are preliminary so far, but there are concerns that some new COVID strains are more infectious, more deadly, and possibly even more resistant to the vaccines -- and experts stress mass vaccination is crucial to slowing the spread. Dr. Atul Gawande, a staff writer for the New Yorker and a Massachusetts's surgeon leading an inoculation campaign, joins William Brangham to discuss.
