Covid-19 vaccine makers say there are enough doses for everyone. Poor countries are still waiting for shots.

While booster shots of the Covid-19 vaccine are given in the United States and other rich countries, a large majority of people in poor countries have not received their first injection.

Vaccine makers say they are doing enough for everyone. The problem is, according to public health officials and industry experts, too many clichés are still destined for high-income countries, where they risk going unused, rather than going to places that have them. most needed.