[TRENDING: How to turn off Facebook election reminders | Big rig with police lights pulling over drivers | Voter Guide 2020]The timeline depends, however, on the results of the vaccine’s phase 3 clinical trial, which begins in November.If the date is pushed beyond November, it could move the emergency authorization to the first part of 2021.New York City-based drugmaker Pfizer is also looking to receive emergency approval for its vaccine as soon as late November.The company is planning to start testing its experimental coronavirus vaccine on children as young as 12.The researcher leading the drug trial says parents have already expressed interest in enrolling their kids.It will be the first coronavirus vaccine trial to include children in.