COVID-19 vaccines outpacing the world’s supplies, a frustrated public and policymakers want to know: How can we get more? A lot more.
Right away.The problem: “It’s not like adding more water to the soup,” said vaccine specialist Maria Elena Bottazzi of Baylor College of Medicine.Makers of COVID-19 vaccines need everything to go right as they scale up production to hundreds of millions of doses — and any little hiccup could cause a delay.
Some of their ingredients have never before been produced at the sheer volume needed. ‘Temporary delay’ chops Canada’s deliveries of Pfizer vaccine in half for four weeks And seemingly simple suggestions that other factories switch to brewing new kinds of vaccines can’t happen overnight.