A local resident gets COVID-19 test in Brasilia, Brazil, May 26, 2020. (Photo by Lucio Tavora/Xinhua)

A local resident waits to get COVID-19 test in Brasilia, Brazil, May 26, 2020. (Photo by Lucio Tavora/Xinhua)

Local residents wait to get COVID-19 test in Brasilia, Brazil, May 26, 2020. (Photo by Lucio Tavora/Xinhua)

A local resident gets COVID-19 test in Brasilia, Brazil, May 26, 2020. (Photo by Lucio Tavora/Xinhua)

Local residents get COVID-19 test in Brasilia, Brazil, May 26, 2020. (Photo by Lucio Tavora/Xinhua)