![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/22SWKFODVDZGS4EO2N7K23G3UA.jpg?smart=true&auth=b22607911018b0655496351f6167c93a9025a7798e0861ce929937d0516a40d4&width=400&height=225)
They can be opened twice a day for less than three minutes at a time while maintaining the temperature. Once opened for longer, the vials can be kept at 2-7°C for five days.
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/7JRTOSPNYQR6KUUZ5ZAE6GHHSA.jpg?smart=true&auth=97389bc91c2028b55debfeef7fedf4d0f364476b2ce81cff8255378ade699923&width=400&height=225)
Pfizer-BioNTech's Covid-19 vaccines must be kept at temperatures of -70 °C. Here, they are being transported in a special trailer from the plane to Emirates Sky Pharma for storage. Courtesy: Dubai Media Office
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/YBNDWVWSMLT26GHLXUCRK6HU5U.jpg?smart=true&auth=87a436b8ca30eb9927028f037f246c65f72e1813e3d1ce65fdc306ee053673b3&width=400&height=225)
The ultra-cold storage is necessary to prevent the mRNA in them – the technology used to deliver the vaccines – from breaking down.
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/4SAZMNNKTZE2I2PWNYNVO6YOBQ.jpg?smart=true&auth=94379eb9455b8d91b5503e1cf0f26fc2696cd5e6ade7db6142bfeae696f8010b&width=400&height=225)
The vaccine will be given free of cost in Dubai.
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/RCNKZRIKUGYQ2HVBS3IMJQK47I.jpg?smart=true&auth=00029bb8402b21b391290b706357089865c51460fec6b23227c60db363e2cf59&width=400&height=225)
Keeping the vaccines at -70 °C maintains the structure of the mRNA for up to six months.
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/7I6NEWXWLCFWSDNPKXZTWDPB44.jpg?smart=true&auth=5e8ebcfac4e233c1cae0622312a1d3c32abc0213f4c99360f6d08c76ac20c0e5&width=400&height=225)
There has never been a vaccine or drug that has required such cold storage before, which meant Pfizer had to develop a special method to transport the doses.
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/4WPTK5R6X4YQEOGF6BOZ6KAMNY.jpg?smart=true&auth=9b9378c119d8ca03d7078bbc776f39439f439184f926af4f646b5aaca215521b&width=400&height=225)
Pfizer's reusable boxes, which can store up to 5,000 doses, are packed with dry ice and installed with trackers to monitor the location and temperature of the frozen vials.
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/22SWKFODVDZGS4EO2N7K23G3UA.jpg?smart=true&auth=b22607911018b0655496351f6167c93a9025a7798e0861ce929937d0516a40d4&width=400&height=225)
They can be opened twice a day for less than three minutes at a time while maintaining the temperature. Once opened for longer, the vials can be kept at 2-7°C for five days.
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/7JRTOSPNYQR6KUUZ5ZAE6GHHSA.jpg?smart=true&auth=97389bc91c2028b55debfeef7fedf4d0f364476b2ce81cff8255378ade699923&width=400&height=225)
Pfizer-BioNTech's Covid-19 vaccines must be kept at temperatures of -70 °C. Here, they are being transported in a special trailer from the plane to Emirates Sky Pharma for storage. Courtesy: Dubai Media Office
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/YBNDWVWSMLT26GHLXUCRK6HU5U.jpg?smart=true&auth=87a436b8ca30eb9927028f037f246c65f72e1813e3d1ce65fdc306ee053673b3&width=400&height=225)
The ultra-cold storage is necessary to prevent the mRNA in them – the technology used to deliver the vaccines – from breaking down.
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/4SAZMNNKTZE2I2PWNYNVO6YOBQ.jpg?smart=true&auth=94379eb9455b8d91b5503e1cf0f26fc2696cd5e6ade7db6142bfeae696f8010b&width=400&height=225)
The vaccine will be given free of cost in Dubai.
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/RCNKZRIKUGYQ2HVBS3IMJQK47I.jpg?smart=true&auth=00029bb8402b21b391290b706357089865c51460fec6b23227c60db363e2cf59&width=400&height=225)
Keeping the vaccines at -70 °C maintains the structure of the mRNA for up to six months.
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/7I6NEWXWLCFWSDNPKXZTWDPB44.jpg?smart=true&auth=5e8ebcfac4e233c1cae0622312a1d3c32abc0213f4c99360f6d08c76ac20c0e5&width=400&height=225)
There has never been a vaccine or drug that has required such cold storage before, which meant Pfizer had to develop a special method to transport the doses.
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/4WPTK5R6X4YQEOGF6BOZ6KAMNY.jpg?smart=true&auth=9b9378c119d8ca03d7078bbc776f39439f439184f926af4f646b5aaca215521b&width=400&height=225)
Pfizer's reusable boxes, which can store up to 5,000 doses, are packed with dry ice and installed with trackers to monitor the location and temperature of the frozen vials.
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/22SWKFODVDZGS4EO2N7K23G3UA.jpg?smart=true&auth=b22607911018b0655496351f6167c93a9025a7798e0861ce929937d0516a40d4&width=400&height=225)
They can be opened twice a day for less than three minutes at a time while maintaining the temperature. Once opened for longer, the vials can be kept at 2-7°C for five days.
Doctors in Dubai say Pfizer jab eases pressure on medical community
Medics welcome arrival of second vaccine
Anam Rizvi
24 December, 2020
- Listen In English
- Listen In Arabic