The company behind a COVID-19 vaccine touted as a key tool for the developing world has sent tens of millions of doses to wealthy nations but provided none yet to the U.N.-backed effort to supply poorer countries, a sign that inequity persists in the global response to the pandemic.
COVAX had planned to make available 250 million doses from Novavax by March, but the U.N. agency in charge of deliveries says the first shipments now likely won't be made until April or May.
