As a top vaccine maker, GlaxoSmithKline has been a laggard in the COVID-19 vaccine race, but has put on a late burst of speed with a start of phase 3 trials of a second candidate that will
South Korea's SK Bioscience has been given the all-clear to start a phase 3 trial of its COVID-19 vaccine GBP510 that will compare the shot directly with AstraZeneca's Vaxzevria.
