Global Covid shots reach 2 billion in race to tame pandemic

Inoculations against Covid-19 reached 2 billion as the world races to control the pandemic.

It took just over six months to reach the milestone, an extraordinary accomplishment precipitated by countries’ desperation to save lives and reopen their economies. Still, at the current pace, it will take nine more months to vaccinate 75% of the global population, a threshold that could provide so-called herd immunity.