Antigen Rapid Test: international epidemic overview. The data also showed that the five countries with the largest cumulative number of confirmed cases in the past 28 days were Germany, Russia, South Korea, the United States and Brazil.

According to New Atlas, how does the RAPID antigen COVID-19 test work? Why did the U.S. government recently commit to buy 280 million test kits? Will that be enough to help contain the spread of the virus?