The Covid-19 Vaccine Club: How the World’s Biggest Producers Depend on Each Other

April 30, 2021

(Wall Street Journal) – International tensions over access to Covid-19 vaccines have intensified as supply hiccups disrupt mass rollouts of shots. But trade experts warn that restrictions on vaccine exports risk making a bad situation worse. That’s because the world’s major vaccine producers rely on each other for the essential ingredients to manufacture vaccines through a web of cross-border supply chains in complex chemicals, fatty acids and glass vials. If governments restrict vaccine exports, they risk retaliation from other members of this exclusive club of vaccine makers, who could withhold vital supplies, squeezing production just when it is needed most.