Gallup recently published a poll showing that the share of people around the world willing to get vaccinated against Covid-19 in 2020. The data shows that willingness came to 68 percent—short of the 70 percent to 90 percent threshold experts believe is required to achieve herd immunity. There are significant differences between countries and Gallup found that majorities would actually refuse the vaccine in 20 countries, mainly across Eastern Europe and Africa.

In total, the research found that more than a billion peope were unwilling to get vaccinated in the first year of the pandemic.

Gabon had the highest levels of refusal in 2020 at 66 percent, followed by Cameroon and Jordan with 65 percent and 62 percent, respectively. Hungary, Bulgaria, Bosnia and Herzegovina, Russia and Kazakhstan were also among the countries with the highest levels of unwillingness at 60 percent or higher. Click here to read the full story from