Medical staff members wearing protective suits stand inside a train compartment converted into a quarantine ward at a railway station in Rawalpindi of eastern Pakistan's Punjab province on March 30, 2020. (Xinhua/Ahmad Kamal)

Photo taken on March 30, 2020 shows a train compartment converted into a quarantine ward at a railway station in Rawalpindi of eastern Pakistan's Punjab province. (Xinhua/Ahmad Kamal)

Photo taken on March 30, 2020 shows exterior of a train compartment converted into a quarantine ward at a railway station in Rawalpindi of eastern Pakistan's Punjab province. (Xinhua/Ahmad Kamal)

A medical staff member wearing a protective suit stands at the entrance a train compartment converted into a quarantine ward at a railway station in Rawalpindi of eastern Pakistan's Punjab province on March 30, 2020. (Xinhua/Ahmad Kamal)

Photo taken on March 30, 2020 shows a train compartment converted into a quarantine ward at a railway station in Rawalpindi of eastern Pakistan's Punjab province. (Xinhua/Ahmad Kamal)

A medical staff member wearing a protective suit is seen inside a train compartment converted into a quarantine ward at a railway station in Rawalpindi of eastern Pakistan's Punjab province on March 30, 2020. (Xinhua/Ahmad Kamal)

Medical staff checks equipment in a train compartment converted into a quarantine ward at a railway station in Rawalpindi of eastern Pakistan's Punjab province on March 30, 2020. (Xinhua/Ahmad Kamal)