Passengers wearing face masks and protective suits arrive for their flight at Ninoy Aquino International Airport (NAIA) in Pasay City, the Philippines on March 27, 2020. (Photos: Xinhua)

Passengers wearing face masks arrive for their flight at Ninoy Aquino International Airport (NAIA) in Pasay City, the Philippines on March 27, 2020.

A passenger wearing a face mask and a protective suit has his temperature checked as he arrives for his flight at Ninoy Aquino International Airport (NAIA) in Pasay City, the Philippines on March 27, 2020.

A passenger wearing a face mask has her temperature checked as she arrives for her flight at Ninoy Aquino International Airport (NAIA) in Pasay City, the Philippines on March 27, 2020. (Xinhua/Rouelle Umali)

A passenger wearing a face mask has her temperature checked as she arrives for her flight at Ninoy Aquino International Airport (NAIA) in Pasay City, the Philippines on March 27, 2020.

A girl wearing a face mask has her temperature checked as she arrives for her flight at Ninoy Aquino International Airport (NAIA) in Pasay City, the Philippines on March 27, 2020.

A passenger wearing a face mask and protective suit is seen at Ninoy Aquino International Airport (NAIA) in Pasay City, the Philippines on March 27, 2020.

A couple put on protective suits as they arrive for their flight at Ninoy Aquino International Airport (NAIA) in Pasay City, the Philippines on March 27, 2020.