coronavirus Merck’s Covid-19 drug linked to new virus mutations, study says – South China Morning Post Posted on February 2, 2023 by admin Merck’s Covid-19 drug linked to new virus mutations, study says South China Morning Post admin Covid Booster and Omicron: Who Should Get a Shot Now? – The New York Times Merck Beats On Q4 earnings, Anticipates Almost 80% Decline In COVID-19 Treatment Sales In 2023 – Yahoo Finance