"In any debate, if one side has to offer facts and the other side can offer doubts and they're considered of equal value, then the ones who offer doubts will always have an advantage." Moderna co-founder Noubar Afeyan isn't naïve about the pushback that his company's COVID-19 vaccine will receive when it hits the US market. Disinformation around vaccine safety and efficacy was rampant even before the pandemic began. His conversation with Ian Bremmer was part of the latest episode of GZERO World.

Watch the GZERO World episode: A Shot in the Arm: Moderna’s Co-Founder on the COVID-19 Vaccine