It seems we are not done learning about the Johnson & Johnson vaccine.
First, the one-dose COVID-19 shotwas pauseddue to concerns over brain blood clots.
When the pause was lifted, we only knew about women who had suffered the serious side effect.

As of Friday, thepause on the Johnson & Johnson vaccine had been lifted.
But now, it has come to light that there is more bad news about the embattled vaccine.
People widely perceive of theModernaandPfizervaccines as being safe, meanwhile.

This is significant because again, up until this point, only women had reported the clots.