The ongoing COVID-19 vaccination campaign has so far targeted less than 3 \% of the world population, and  even in countries where the campaign has started  many citizens will not receive their doses for many months.
<meaning-changed> The ongoing COVID-19 vaccination campaign has so far targeted less than 3 \% of the world population, and  even in countries where the campaign has started  many citizens will not receive their doses for many months.
The ongoing COVID-19 vaccination campaign has so far targeted less than 10 \% of the world population, and even in countries where the campaign has started many citizens will not receive their doses for many months.