Airlift of inactivated vaccine , Shenzhen →Manila. Actual transportation time during summer: 6 days.

Stable temperature within the cold chain containers, temperature variation < 1°C.

Temperature records for the actual transportation from Shenzhen to Manila in the year 2020. The entire transportation took place in tropical/subtropical regions during the summer and did not involve any cold storage. No other refrigerated transportation facilities were used.

Within 6 days after packing, the temperature remained stable between 3.9°C and 4.4°C, with a temperature variation of<1°C