Merck drops out of coronavirus vaccine development race

American drug manufacturer Merck dropped its bid to develop a vaccine against the Wuhan coronavirus. The firm announced the cessation of its COVID-19 vaccine program after its two candidates did not trigger strong immune responses. It said that phase one trials showed responses that did not reach the level elicited by earlier approved vaccines although there were no significant safety issues reported. Merck Research Laboratories President Dr. Dean Li said the firm remained resolute in its commitment “to contribute to the global effort to relieve the burden of this pandemic.” As such, it will now shift its efforts to developing drugs to treat COVID-19 – with two medications in the works…….Read More