Posted in NEWS Merck drops out of COVID-19 vaccine race, citing ‘inferior’ immune responses. But that’s proof safety systems are working, experts say. January 25, 2021 The decision by Merck to get out of the COVID-19 vaccine research business should have little direct impact on efforts to vaccinate Americans. http://rssfeeds.usatoday.com/~/642631623/0/usatoday-newstopstories~Merck-drops-out-of-COVID-vaccine-race-citing-inferior-immune-responses-But-thats-proof-safety-systems-are-working-experts-say/