The Conversation

Think like a virus to understand why the pandemic isn't over yet – and what the US needs to do to help other countries

PROMO Health - Virus Vaccine Immunization Needle Vial COVID-19 Coronavirus - iStock - kovop58

With COVID-19, thinking like a pathogen leads to an inevitable conclusion: Getting the vaccine out to everyone in the world as quickly as possible is not just an ethical imperative, but also a selfish one.