Bats and the origin of outbreaks
As the WHO reaches its findings on the origins of the coronavirus, we explain why bats make ideal hosts for viruses.
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Anatomy of Singapore's outbreak
How the virus spread through migrant worker dormitories.
Sheltering in small places
What life indoors looks like in Tokyo’s cramped homes.
Breaking the wave
Measuring the death toll of COVID-19 and how far we are from stopping it.