Some scientists are proposing that the existing polio vaccine could give temporary protection against COVID-19 but, it’s unclear whether such an approach would work.
Using existing live vaccines, including the oral poliovirus vaccine, would not be a permanent solution, but rather a temporary fix that may buy time until a coronavirus vaccine hits the market, Chumakov said.
In places where it’s still used, the oral poliovirus vaccine is typically administered to babies and not adults, so scientists can’t simply look at whether it already works to boost the immune system against other viruses in adults in these populations.conducted in Russia in the 1960s as the strongest evidence in support of using disease-specific vaccines to broadly ward off other viruses.
“I do believe the oral polio vaccine would provide some protection against new viruses, but so would catching cold,” said Rachel Roper, associate professor of microbiology and immunology at East Carolina University’s Brody School of Medicine. Catching any virus, she said, would set up the antiviral state associated with enhanced immunity.
Indeed, the oral polio vaccine shouldn’t be given in an attempt to prevent COVID-19 outside of a clinical trial.Adam Lauring, an associate professor of microbiology, immunology and infectious diseases at the University of Michigan, said that if the oral poliovirus vaccine is proven to be effective, everyone would need to get the vaccine at the same time for it to work as planned, which would require a coordinated response with its own logistical challenges.
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