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Here’s where the day stands so far:
Tests for Covid-19 that show on-the-spot results in 15 to 30 minutes are about to be rolled out across the world, potentially saving many thousands of lives and slowing the pandemic in both poor and rich countries.
In a triumph for a global initiative to get vital drugs and vaccines to fight the virus, 120m rapid antigen tests from two companies will be supplied to low- and middle-income countries for $5 (£3.90) each or even less.
Related: Covid-19 tests that give results in minutes to be rolled out across world
