[ebb tide]

Which of the Covid-19 vaccines allegedly used fetal tissue in their development?

Pfizer, Moderna and Johnson and Johnson.

And is this tissue actually part of the vaccine itself?

Only Johnson and Johnson out of the above three.

[Bell Bouy II]

source

[arthurus]

Foetal tissue was used in the development of all three. Whether it is in the vax or not it was used and it is all the same.