Coronavirus Drugs: Where We Are and What We Know

Medicines designed to treat COVID-19 won’t be on pharmacy shelves for months or even years, but thousands of patients are in hospitals and health clinics now. So doctors are looking…

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Pollution Drops as Virus Shuts Down Cities in Europe

The European Union’s space agency’s earth-observation satellites have detected a significant reduction in the pollutant nitrogen dioxide, a byproduct of the use of diesel motors and other human activities, in…

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