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He and other experts spell out very specific reasons why.
Now, he writes in the paper, it’s just unlikely to happen at all if vaccine- or infection-induced immunity to SARS-CoV-2 indeed proves to be short-lived.
Dr. Fauci and his co-authors specifically cite “significant obstacles” like “substantial resistance to efforts to control the spread” of SARS-CoV-2, the virus that causes COVID-19, like the public’s resistance to vaccination and mask-wearing.
They also note that “neither infection nor vaccination appears to induce prolonged protection against SARS-CoV-2 in many or most people,” making it tricky to fully prevent COVID-19, even if you’ve been vaccinated or infected with the virus in the past.
“SARS-CoV-2 isn’t as genetically stable as other pathogens, such as measles, to which herd immunity has been achieved,” he says. “The virus comes from a viral family that is known to mutate to be able to reinfect individuals routinely.”
As a result, Dr. Schaffner says, “we cannot do with COVID-19 what we did with measles.”
Dr. Russo also points out that SARS-CoV-2 also can live in animals, where it can continue to mutate and then spread to people. “That may be problematic as well,” he says. “Even if we’re able to manage infections in humans—which we won’t really be able to—20-plus animals can support replication of the virus. That’s another huge barrier.”
https://www.prevention.com/health/a39651...ttainable/
Now, he writes in the paper, it’s just unlikely to happen at all if vaccine- or infection-induced immunity to SARS-CoV-2 indeed proves to be short-lived.
Dr. Fauci and his co-authors specifically cite “significant obstacles” like “substantial resistance to efforts to control the spread” of SARS-CoV-2, the virus that causes COVID-19, like the public’s resistance to vaccination and mask-wearing.
They also note that “neither infection nor vaccination appears to induce prolonged protection against SARS-CoV-2 in many or most people,” making it tricky to fully prevent COVID-19, even if you’ve been vaccinated or infected with the virus in the past.
“SARS-CoV-2 isn’t as genetically stable as other pathogens, such as measles, to which herd immunity has been achieved,” he says. “The virus comes from a viral family that is known to mutate to be able to reinfect individuals routinely.”
As a result, Dr. Schaffner says, “we cannot do with COVID-19 what we did with measles.”
Dr. Russo also points out that SARS-CoV-2 also can live in animals, where it can continue to mutate and then spread to people. “That may be problematic as well,” he says. “Even if we’re able to manage infections in humans—which we won’t really be able to—20-plus animals can support replication of the virus. That’s another huge barrier.”
https://www.prevention.com/health/a39651...ttainable/
