Keeping Pfizer vaccine at -70 degree Celsius a challenge for India, says AIIMS director

Delhi AIIMS director on Wednesday said Pfizer's potential coronavirus vaccine has to be kept at minus 70 degrees Celsius, which will be a challenge for developing countries like India. Speaking to news agency ANI, Dr Randeep Guleria said, Pfizer vaccine has to be kept at -70C which is a challenge for developing countries like India where we'll have difficulties in maintaining a cold chain, especially on rural missions. Overall encouraging news in vaccine research for those in Phase III trials."

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