Pfizer-BioNTech vaccine sharply reduces symptomatic Covid-19 in the real world, Israeli researchers say

Pfizer-BioNTech's Covid-19 vaccine appears to reduce symptomatic coronavirus infections by more than 90% in the real world, Israeli researchers said...

China teams up with Taliban in unlikely partnership

CNN's David Culver takes a closer look at the budding relationship between the Taliban and China.

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