Warner, who has experience helping a pharmaceutical company send its antiretroviral drugs around the world during the AIDS epidemic, said the notion that the rollout would proceed without issue was misguided. I think there was a period because of the pandemic and its effect on people and everybody wanted hope, he said, adding that people were looking for a happy science story. The rest of the world has seemed to catch up to what I think people like me have unfortunately thought was going to happen, which is supply chains and competition and trade issues, and that s where we are.