PolitiFact - No evidence of ‘graphene oxide’ that’s ‘toxic’ in Pfizer COVID-19 vaccinehttps://www.politifact.com/factchecks/2021/jul/08/facebook-posts/no-evidence-graphene-oxide-s-toxic-pfizer-covid-19/An Instagram post with an incendiary video that speaks of murder claims that Pfizer’s COVID-19 vaccine is dangerously pa/> <meta name=