Echte Kacke:
http://www.focus.de/gesundheit/baby/kinderkrankheiten/rueckschlag-im-kampf-gegen-kinderlaehmung-polio-impfung-koennte-gegen-virus-variante-unwirksam-sein_id_4067017.html
http://www.pnas.org/content/early/2014/08/14/1323502111
47% case-fatality rate, 15–29% [Geimpfte] were unprotected according to their neutralization titers (<1:8 serum dilution), even though all were protected against Sabin-1