The WHO warns that the BA.2 subvariant of the ómicron strain is more contagious and spread throughout Europe | Videos | CNN

The World Health Organization (WHO) warns that the new BA.2 subvariant of the omicron strain, which causes covid-19, is even more contagious and is driving the spread of the disease in several European countries.

Epidemiologists warn that the pandemic is not over and monitor the behavior of this virus in the United States.