The six most common justifications for taking the vaccine are printed on the posters as:
Ping
Excellent! Fighting the good fight!
Powerful.
Aborted stem cell lines have been used for vaccines before, and are also used in other lab experiments. Remember the Pepsi aborted cells for developing their “zero” calorie product. Wonder why so much attention and outrage now with covid? It’s nothing new and worse things are happening, embryos, chimeras, etc.