We must be vigilant and take precautions against a new variant of covid-19, according to Dr. Huerta | Video | CNN

How concerned should we be about the covid-19 variant identified in the UK?

In this regard, Dr. Elmer Huerta, a public health expert and CNN collaborator, explains in an interview with María Alejandra Requena the precautions that must be taken to counteract this and other variants of the coronavirus.