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The impossibility of social distancing and even handwashing in crowded refugee camps
As cases spread in Nigeria, can lessons from Ebola counter covid 19?
Research from Italy and China, shows many people have the coronavirus but no symptoms
The pattern of transmission and prospects for drug treatments.
Fires were at least 30% worse due to mankind’s influence on the climate.
More new cases of Covid-19 are now outside China than inside - how can we map the virus?