Coinspeaker MRNA Stock Up 1% in Pre-market, Moderna to Confirm Efficacy of Its COVID-19 Vaccine Candidate by NovemberModerna COVID-19 vaccine candidate dubbed mRNA-1273 has entered its late-stage trials. The company noted that as of Wednesday, September 16, 2020, about 25,296 participants have been enrolled.MRNA Stock Up 1% in Pre-market, Moderna to Confirm Efficacy of Its COVID-19 Vaccine Candidate by November