Vaccinate the rich: Pfizer’s Covid-19 shot seen as too costly for poorer nations

When Pfizer and BioNTech Covid-19 vaccine rolls off production lines, Shanghai Fosun Pharmaceutical Group Company will be waiting to distribute it through a complex and costly system of deep-freeze airport warehouses, refrigerated vehicles and inoculation points across China.After they reach vaccination centres, the shots must be thawed from minus 70 degrees Celsius and injected within five days, if not they go bad.Coronavirus vaccine hopes rise on promising Pfizer-BioNTech trial resultsThen…

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