Pfizer, following others, has moved its release date.
Pharmaceutical giant Pfizer has announced that it will not seek emergency approval to release its coronavirus vaccine until the end of November.
Two other leaders in the development of a vaccine to stop the work. The fourth is unlikely to get results before the end of the year.
Trump has repeatedly said that the vaccine will be available to many before the election due to the administration’s much-publicized Operation Warp Speed, aimed at speeding up its development.
Leading government and non-governmental scientists have long said that the stated deadlines are unrealistic.
In a statement, Pfizer Chief Executive Albert Bourla said it was possible the company would know by the end of October whether its vaccine was working. However, she will not be able to judge her safety with confidence until the end of November.
“Security is and will be our top priority,” Bourla wrote.