On Saturday, October 24, 2020 at 12:44:02 PM UTC-4, wrote:
Gregg Ballou: FYI participants in covid vaccine trials are not eligible to hold a FAA medical.

There is no such FAA medical restriction for vaccine trial participants. To purposely attempt to derail an effort to save lives is horrific, IMO.
Report participating in vaccine trials on a med application and you will be denied. The FAA is OK with approved vaccines, but not unproven medical trials for any reason.