Scientists can’t explain puzzling lack of coronavirus outbreaks in Africa

The novel coronavirus has infected more than 26.35 million people, with just four countries accounting for over 15 million cases. They are America, Brazil, India, and Russia — the same four that have been at the top for months. The US surprised the world when it rose to the top spot in multiple COVID-19 statistics, both for the total number of confirmed cases and the number of deaths. Since then, no other country has surpassed America.