Coinspeaker JNJ Stock Up 0.45%, Johnson & Johnson to Conduct Coronavirus Vaccine Trial in SeptemberThis will be the largest ever test so far on the coronavirus vaccine by any pharmaceutical giant. "We are using epidemiology and modeling data to predict and plan where our studies should take place and expect that to be finalized soon,” said Johnson & Johnson.JNJ Stock Up 0.45%, Johnson & Johnson to Conduct Coronavirus Vaccine Trial in September