Covid-19 vaccines, a top official of the agency said. This assumes significance as large-scale clinical trials of the leading vaccine candidates from Moderna Inc, Pfizer Inc and AstraZeneca Plc were launched in recent weeks.A top US health regulator who will help decide the fate of a coronavirus vaccine said the trials were enrolling volunteers "reasonably well" and that it was "possible" data could be available to interpret as early as October.
If not, the committee could still discuss broader regulatory issues regarding a vaccine, said Peter Marks, director of the Food and Drug Administration's Center for Biologics Evaluation and Research.Meanwhile, Pfizer Inc.