Moderna Covid Shots Turned Down by Buyers on Delivery Woes (2)

Two buyers of Covid-19 vaccines for low- and middle-income countries have declined options to purchase hundreds of millions of additional doses from Moderna Inc., a sign of waning demand as the pandemic eases.

The African Union and Covax, the World Health Organization-backed group, decided not to obtain more of the vaccine as developing nations struggle to turn supplies into inoculations. Lower-income countries left behind in the global rollout are now grappling with a lack of funds, hesitancy, supply-chain obstacles and other factors that are hampering distribution.

For months, Moderna’s highly effective messenger RNA vaccine was out of reach ...