Photo: Yonhap News
American pharmaceutical giant Pfizer says there is still a possibility a coronavirus vaccine could be provided this year, despite signaling that key data on the vaccine would not be released before the U.S. election.
Chief Executive Albert Bourla said Tuesday that the company could supply some 40 million doses in the United States in 2020 if clinical testing proceeds as expected and regulators approve a vaccine.
But Bourla said they still had not reached key benchmarks in assessing vaccine efficacy.
Pfizer previously said it could have the results on late-stage trials in October, which might have advanced the process ahead of the November 3 poll.
He said the company expects to file for emergency use authorization for its COVID-19 vaccine in the third week of November, adding he is "cautiously optimistic" that it will work.
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