Collaboration is the cure for COVID-19 The pandemic is global. It cannot be controlled by local action alone. By George Q. Daley, David E. Golan, Arlene H. Sharpe, and Bruce D. WalkerUpdated March 5, 2021, 5:44 p.m. Email to a Friend A Guarani indigenous man is given the Sinovac Biotech's CoronaVac COVID-19 vaccine at the Sao Mata Verde Bonita tribe camp, in Guarani indigenous land, in the city of Marica, Rio de Janeiro state, Brazil, on January 20.MAURO PIMENTEL/AFP via Getty Images The past 12 months have been marked by tragedy and triumph, pain and progress, despair and hope. As we enter the second year of the COVID-19 pandemic and sense its waning days on the horizon, we have reasons for optimism: multiple vaccines, novel treatments, an unprecedented amount of knowledge about a once-mystifying disease caused by a never-before-seen human pathogen â all achieved in less than a year. But as we look back and celebrate our collective successes, we would be remiss if we did not reflect on what we could have done better.