Furlano RI, et al. Colonic CD8 and gamma delta T-cell infiltration with epithelial damage in children with autism.
FORBES: Anti-Vaccine Activists Apparently Immune To Science
2.
Telescopes on other planets in those directions could see those jets, and we might see the exploding stars as supernovae, but we don't see the bright gamma-ray flashes from jets beamed away from us.