Pfizer's oral antiviral drug was found to reduce the risk of hospitalization or death from COVID-19 by 89%, according to interim results from a mid-to-late-stage study announced by the company on Friday.
Why it matters: Antiviral drugs can be a key pandemic-fighting tool, as not everyone will get vaccinated against the virus and it may take years to fully inoculate people in certain countries — particularly given current gaps in global vaccine supplies.
