The Latest: UK study finds new variant may be more deadly

LONDON — U.K. government scientific advisers say the COVID-19 variant now predominant in the country may be up to 70% more deadly than previous variants, underscoring concerns about how mutations may change the characteristics of the disease.
The findings from the New and Emerging Respiratory Virus Threats Advisory Group, published Friday on the government’s website, build on preliminary research released Jan. 21. The group includes experts from universities and public agencies acros