Pfizer, BioNTech to expand phase 3 trials of COVID-19 vaccine to 44,000 volunteers
The drugmakers hope to get to the initial target figure of 30,000 participants for the vaccine trial.
Tag: Pfizer Inc.
COVID-19: Russia to approve world’s first vaccine come early August
The vaccine may be approved for use by humans within 3 to 7 days of registration by regulators.
