Coronavirus: How do you vaccinate 7.7 billion people?

Five challenges of distributing a Covid-19 vaccine to billions of people.

from BBC News - World https://ift.tt/3o8y8Jq
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Former US President Bill Clinton admitted to hospital with fever

The 42nd president is at a Washington DC hospital, and is in "good spirits", according to a spokesman. from BBC News https://ift...