Dr. David Agus breaks down new Omicron subvariant BA.2, notes vaccine booster offers "significant protection"

As a new version of the Omicron variant, known as BA.2, quickly spreads around the world, scientists are worried it could be more contagious and perhaps harder to detect. 

But CBS News' medical contributor Dr. David Agus said the newly detected COVID-19 strain is actually comparable to Delta when it comes to detection. He also urged people to get vaccinated, noting that booster shots offer strong protection against the new subvariant. 

In Denmark, one of many countries that are "weeks ahead" of the U.S. in dealing with Omicron, BA.2 was found to be 50% more infectious, Agus said Monday on "CBS Mornings."