According to John Hopkins University, "In Dec. 2020, a new strain of the coronavirus that causes COVID-19 was reported in the news media. The new strain’s existence raises questions: Is the coronavirus more contagious now? Will the vaccines still work? Are there new or different things you should do now to keep your family safe? Stuart Ray, M.D., Vice-Chair of Medicine for Data Integrity and Analytics, and Robert Bollinger, M.D., M.P.H., Raj and Kamla Gupta Professor of Infectious Diseases, are both experts in SARS-CoV-2, the virus that causes COVID-19. They talk about what is known about this new strain and answer potential questions and concerns you may have?

Reference: https://www.hopkinsmedicine.org/health/conditions-and-diseases/coronavirus/a-new-strain-of-coronavirus-what-you-should-know