Moderna boss says COVID-19 vaccine not proven to stop spread of virus

The New York Post:

Moderna’s coronavirus vaccine may not get life back to normal right away because it hasn’t yet been proven to prevent the deadly bug from spreading, the company’s top doctor says.

Research has shown that the biotech firm’s shot is effective at preventing people from getting sick with COVID-19, but there’s no hard evidence that it stops them from carrying the virus “transiently” and potentially infecting others who haven’t been vaccinated, according to Dr. Tal Zaks, Moderna’s chief medical officer.

“I think we need to be careful, as we get vaccinated, not to over-interpret the results,” Zaks told Axios in a TV interview released Monday. “When we start the deployment of this vaccine, we will not have sufficient concrete data to prove that this vaccine reduces transmission.”

“Do I believe that it reduces transmission? Absolutely yes, and I say this because of the science,” he added. “But absent proof, I think it’s important that we don’t change behaviors solely on the basis of vaccination.”

Read more at The New York Post

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