Celebrations (and questions) greet US vaccine donation plan

In this March 15 file photo, boxes of COVID-19 vaccine provided through the COVAX global initiative arrive at the airport in Mogadishu, Somalia. (AP Photo/Farah Abdi Warsameh, File)

CAPE TOWN, South Africa — U.S. plans to donate 500 million more COVID-19 vaccines to developing countries were met Thursday with both celebration and hesitation amid questions over whether the effort will be enough to help poor regions desperate for doses.