Your vote for Hillary Clinton is a vote massacring Libya, arming Al Nusra (aka Al Qaeda in Syria) and Saudi Arabian despots, Honduras' brutal coup regime, total impunity for criminal fraud at Wall St investment banks that nearly destroyed the global economy and so on.
Most candidates know vaccines are safe. Stein and Trump are both antivax.
Of course I support vaccination, but a few bougy hipsters wanting to be special snowflakes doesn't rate to me compared to the real-world damage Clinton has done. And I have nothing nice to say about Trump either before you start throwing accusations around.
BTW Jill Stein is unequivocally pro-vax, so your whole argument is just a smear anyway