The chances of a COVID-19[feminine[feminine vaccines being nearly 100% effective are “not great,” Dr Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases said Friday.
“We don’t yet know how effective it might be. We don’t know if it will be 50% or 60%. I wish it was 75% or more, ”he told a Brown University webinar.
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Dr Fauci warned that “the public health approach should never be abandoned” because it can prove almost impossible to develop a vaccine that is as effective as 98%.
This means Americans must maintain their social distancing and wear face covers in enclosed spaces or in large crowds to stop the spread of the virus.
The U.S. drug regulator on Friday revealed that independent experts are expected to review any vaccine before it is approved.
The Food and Drug Administration (FDA) said it would organize an outside advisory committee before giving the go-ahead, in an apparent attempt to reassure people it would not cut corners in the race for immunity.
Dr Fauci also urged states to respond as quickly as possible to increases of just 1% or 2% coronavirus case.
It comes after the death toll in the United States topped 160,000 with 4.91 million cases reported nationwide.
The United States is responsible for nearly a quarter of deaths from the virus worldwide, ahead of Brazil, Mexico and the United Kingdom, which have the second highest number of deaths.
States are currently reviewing whether schools should reopen in the coming weeks.
Several – including California, Texas and Florida – have had to return to lockdown after large spikes in cases.
Democratic presidential candidate Joe Biden was forced to accept his Wisconsin nomination practically in the latest viral setback in the November election.