Surgeon General Vivek Murthy has reassured the United States that the recent outbreak of Covid-19 in European nations is not a cause for alarm. Several countries in Europe have seen a significant increase in the number of cases of Covid-19’s BA.2 ...

It looks that the BA.2 variant is on its way to becoming the dominant COVID strain, as the CDC reports that the number of cases has almost doubled every week for the last month. The World Health Organization (WHO) classifies ...