Robert Redfield

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Don’t hold your breath for a coronavirus vaccine this fall.

That’s the resounding refrain from US public-health officials, including Robert Redfield, director of the Centers for Disease Control and Prevention. At a Senate subcommittee hearing on Wednesday, Redfield said a vaccine won’t be widely available to the American public until the summer or early fall of 2021.

“There will be vaccine that will initially be available sometime between November and December, but very limited supply and will have to be prioritized,” Redfield said Wednesday. “If you’re asking me when is it going to be generally available to the American public so we can begin to take advantage of vaccine to get back to our regular life, I think we’re probably looking at late second quarter, third quarter 2021.”

Under the most optimistic vaccine timeline, leading drug companies could see promising results from their clinical trials this fall or by the end of the year. Pfizer and Moderna, in particular, could release results from their phase 3 trials in October. The AstraZeneca-Oxford phase 3 trial could also yield results by the end of 2020, even though that trial was paused briefly after a participant had an adverse reaction.

Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, has said experts probably won’t know whether a vaccine is safe and effective until the end of 2020.

But even once a vaccine is proven safe and effective, the US won’t immunize everyone right away. Instead, priority will go to high-risk populations such as healthcare workers and people 70 years or older.

The US government is funding the research, development, and manufacturing of six vaccine candidates through a program called Operation Warp Speed. The chief adviser to that program, Moncef Slaoui, previously

Source:: Business Insider

      

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