A medical worker takes a swab sample from a boy for COVID-19 test in Subang of Selangor, Malaysia, Aug. 14, 2021. Malaysia reported 20,670 new cases of COVID-19, the Health Ministry said on Saturday, bringing the national total to 1,384,353. (Photo by Chong Voon Chung/Xinhua)

A medical worker takes a swab sample from a woman for COVID-19 test in Subang of Selangor, Malaysia, Aug. 14, 2021. Malaysia reported 20,670 new cases of COVID-19, the Health Ministry said on Saturday, bringing the national total to 1,384,353. (Photo by Chong Voon Chung/Xinhua)

A medical worker prepares a swab sample for COVID-19 test in Subang of Selangor, Malaysia, Aug. 14, 2021. Malaysia reported 20,670 new cases of COVID-19, the Health Ministry said on Saturday, bringing the national total to 1,384,353. (Photo by Chong Voon Chung/Xinhua)

People line up to take COVID-19 tests in Subang of Selangor, Malaysia, Aug. 14, 2021. Malaysia reported 20,670 new cases of COVID-19, the Health Ministry said on Saturday, bringing the national total to 1,384,353. (Photo by Chong Voon Chung/Xinhua)

People line up to take COVID-19 tests in Subang of Selangor, Malaysia, Aug. 14, 2021. Malaysia reported 20,670 new cases of COVID-19, the Health Ministry said on Saturday, bringing the national total to 1,384,353. (Photo by Chong Voon Chung/Xinhua)

A medical worker takes a swab sample from a man for COVID-19 test in Subang of Selangor, Malaysia, Aug. 14, 2021. Malaysia reported 20,670 new cases of COVID-19, the Health Ministry said on Saturday, bringing the national total to 1,384,353. (Photo by Chong Voon Chung/Xinhua)

A medical worker takes a swab sample from a child for COVID-19 test in Subang of Selangor, Malaysia, Aug. 14, 2021. Malaysia reported 20,670 new cases of COVID-19, the Health Ministry said on Saturday, bringing the national total to 1,384,353. (Photo by Chong Voon Chung/Xinhua)