International Monetary Fund managing director Kristalina Georgieva and other multilateral-organisation leaders on Thursday urged countries with high Covid-19 vaccination rates to boost efforts to send doses to low- and middle-income countries.

Georgieva and the heads of the World Bank Group, World Health Organization and World Trade Organization expressed concern in a joint statement that it would not be possible to vaccinate at least 40 percent of the population in all countries by the end of 2021 without urgent action...