Pfizer Vaccine May Not End Asian Nations' Covid-19 Concerns.
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The world cheered on Monday when Pfizer Inc announced its shot, jointly developed with BioNTech SE, was more than 90% effective based on initial trial results. Yet health experts cautioned that the vaccine, should it be approved, was no silver bullet - not least because the genetic material it's made from needs to be stored at temperatures of minus 70 degrees Celsius (-94 F) or below.

Such requirements pose a particularly daunting challenge for countries in Asia, as well as in places like Africa and Latin America, where intense heat is often compounded by poor infrastructure that will make it difficult to keep the "cold chain" intact during deliveries to rural areas and islands.

That is a problem for everyone in the world, given the World Health Organization estimates about 70% of people must be inoculated to end the pandemic, and Asia alone is home to more than 4.6 billion - or three-fifths of the global population.

Some Asian countries are prioritising containing the novel coronavirus rather than looking to stockpile vaccines, while others are looking for alternatives to the messenger RNA technology used by Pfizer that requires such ultra-cold storage.

Pfizer told Reuters that it had developed detailed logistical plans and tools to support vaccine transport, storage and continuous temperature monitoring.
"Vaccine Is Story For Future"
Yet even wealthier nations like South Korea and Japan are managing expectations.

"Storage is going to be a big challenge for us," said Fumie Sakamoto, infection control manager at St. Luke's International Hospital in Tokyo.

Source: https://www.ndtv.com/world-news/pfizer-vaccine-may-not-end-asian-nations-covid-19-concerns-heres-why-2323378
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