Medical experts have warned that the volume of vaccine available to fight the coronavirus or SARS-CoV-2 in coming years is expected to fall far short of global demand, despite an unprecedented effort to manufacture billions of doses.
About 70 per cent of the world's population -- or 5.6 billion people -- will probably need to be inoculated to begin to establish herd immunity and slow its spread, The Washington Post reported citing scientific research on Monday.
The scenario public health experts fear most is a worldwide fight in which manufacturers will sell only to the highest bidders, rich countries trying to buy up the supplies, and nations where manufacturers have located hoard vaccines for their own citizens. "The model of countries
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