The study found that by September 2021, 800 million Africans had been exposed to SARS-CoV-2, the virus that causes COVID-19, compared with 8.2 million cases reported at that time.
"The risks of more lethal variants emerging which overwhelm immunity gained from past infections cannot be brushed aside," she said in a statement, calling for increased testing. Studies estimate that 45% of the global population had been infected by September 2021, but the WHO said comparisons were difficult as studies covered different time periods.
Source: Healthcare Press (healthcarepress.net)
We have summarized this news so that you can read it quickly. If you are interested in the news, you can read the full text here. Read more: