A nurse helps a colleague wear personal protective equipment (PPE) at the Intensive Care Unit (ICU) of Morales Meseguer Hospital in Murcia, Spain, 25 April 2020. Marcial Guillen/ EPA
A nurse helps a colleague wear personal protective equipment (PPE) at the Intensive Care Unit (ICU) of Morales Meseguer Hospital in Murcia, Spain, 25 April 2020. Marcial Guillen/ EPA

Global collaboration for a vaccine is the way to go