In the middle of last year, the World Health Organization began promoting an ambitious goal, one it said was essential for ending the pandemic: fully vaccinate 70% of the population in every country against COVID-19 by June 2022.
Now, it is clear that the world will fall far short of that target by the deadline. And there is a growing sense of resignation among public health experts that high COVID-19 vaccination coverage may never be achieved in most lower-income countries, as badly needed funding from the United States dries up and both governments and donors turn to other priorities.
"The reality is that there is a loss of momentum,” said Dr. Isaac Adewole, a former health minister of Nigeria who now serves as a consultant for the Africa Centers for Disease Control and Prevention.
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