Paramedics prepare oxygen tube in a temporary shelter at Siloam Hospital in Jakarta, Indonesia, March 7, 2020. Indonesia recorded two new cases of COVID-19 on Friday, bringing the total number of cases to four, a Health Ministry official told a press conference. (Xinhua/Agung Kuncahya B.)

A medic checks body temperature of a visitor at Siloam Hospital in Jakarta, Indonesia, March 7, 2020. Indonesia recorded two new cases of COVID-19 on Friday, bringing the total number of cases to four, a Health Ministry official told a press conference. (Xinhua/Agung Kuncahya B.)

A visitor has her body temperature checked at Siloam Hospital in Jakarta, Indonesia, March 7, 2020. Indonesia recorded two new cases of COVID-19 on Friday, bringing the total number of cases to four, a Health Ministry official told a press conference. (Xinhua/Agung Kuncahya B.)

A medic checks body temperature of visitors at Siloam Hospital in Jakarta, Indonesia, March 7, 2020. Indonesia recorded two new cases of COVID-19 on Friday, bringing the total number of cases to four, a Health Ministry official told a press conference. (Xinhua/Agung Kuncahya B.)

A medic checks body temperature of a visitor at Siloam Hospital in Jakarta, Indonesia, March 7, 2020. Indonesia recorded two new cases of COVID-19 on Friday, bringing the total number of cases to four, a Health Ministry official told a press conference. (Xinhua/Agung Kuncahya B.)

A temperature mark is seen on a woman's clothes at Siloam Hospital in Jakarta, Indonesia, March 7, 2020. Indonesia recorded two new cases of COVID-19 on Friday, bringing the total number of cases to four, a Health Ministry official told a press conference. (Xinhua/Agung Kuncahya B.)

A boy receives hand sanitiser liquid at Siloam Hospital in Jakarta, Indonesia, March 7, 2020. Indonesia recorded two new cases of COVID-19 on Friday, bringing the total number of cases to four, a Health Ministry official told a press conference. (Xinhua/Agung Kuncahya B.)

Visitors fill in health forms before they enter Siloam Hospital in Jakarta, Indonesia, March 7, 2020. Indonesia recorded two new cases of COVID-19 on Friday, bringing the total number of cases to four, a Health Ministry official told a press conference. (Xinhua/Agung Kuncahya B.)

Paramedics work in a temporary shelter at Siloam Hospital in Jakarta, Indonesia, March 7, 2020. Indonesia recorded two new cases of COVID-19 on Friday, bringing the total number of cases to four, a Health Ministry official told a press conference. (Xinhua/Agung Kuncahya B.)