What do we know about the COVID-19 (coronavirus) vaccine?

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The New York Times (NYT) has created a live tracker of progress on COVID-19 vaccines.

According to the tracker, the first vaccine safety trials in humans started in March. And as of 15 September 2020, NYT reports researchers are testing 40 vaccines in clinical trials on humans, and at least 92 preclinical vaccines are under active investigation in animals.

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