A health worker wearing protective suit and patients exercise at the Patriot Chandrabhaga Stadium which has been converted into a quarantine house amid the coronavirus disease (COVID-19) outbreak, in Bekasi, on the outskirts of Jakarta, September 28, 2020. REUTERS/Ajeng Dinar Ulfiana

A health worker wearing protective suit and patients exercise at the Patriot Chandrabhaga Stadium which has been converted into a quarantine house amid the coronavirus disease (COVID-19) outbreak, in Bekasi, on the outskirts of Jakarta, September 28, 2020. REUTERS/Ajeng Dinar Ulfiana

Patients wearing protective face masks exercise at the Patriot Chandrabhaga Stadium which has been converted into a quarantine house amid the coronavirus disease (COVID-19) outbreak, in Bekasi, on the outskirts of Jakarta, September 28, 2020. REUTERS/Ajeng Dinar Ulfiana

A health worker wearing protective suit and patients exercise at the Patriot Chandrabhaga Stadium which has been converted into a quarantine house amid the coronavirus disease (COVID-19) outbreak, in Bekasi, on the outskirts of Jakarta, September 28, 2020. ANTARA FOTO/Fakhri Hermansyah

A health worker wearing protective suit and patients exercise at the Patriot Chandrabhaga Stadium which has been converted into a quarantine house amid the coronavirus disease (COVID-19) outbreak, in Bekasi, on the outskirts of Jakarta, September 28, 2020. REUTERS/Ajeng Dinar Ulfiana

Patients wearing protective face masks exercise at the Patriot Chandrabhaga Stadium which has been converted into a quarantine house amid the coronavirus disease (COVID-19) outbreak, in Bekasi, on the outskirts of Jakarta, September 28, 2020. ANTARA FOTO/Fakhri Hermansyah