We must continue with all preventive measures against the delta variant, says Dr. Huerta | Video | CNN

In the US and around the world - with the exception of the Gauteng province in South Africa - the predominant variant of the coronavirus is delta, says Dr. Elmer Huerta, so it is important to continue to take all preventive measures.

The oncologist and public health specialist talks about a pre-publication in which it is announced that in South Africa, omicron has been able to infect people recovered from covid-19.