[joachimma]

Yes, young and strong, male (to avoid risk of pregnancy)

[sydd]

This is a gross overstatement.

They excluded a very tiny part of the population (my guess is under 0.1%), nowadays you cant find a material that no one is allergic to.

[vanderZwan]

The question GP answered was whether this was normal procedure for vaccine trials, not what happened during this particular one.

[kolinko]

Pfitzer and Moderna vaccines were tested on both males and females.