Nothing new about social distancing
As COVID-19 seems to be, polio was—and remains—a seasonal disease, though the poliovirus prefers the hot months and SARS-CoV-2, which causes COVID-19, is at least thought to prefer the cool ones. That makes the push for a vaccine a cyclical one—a race against a viral time bomb set to go off year after year in selected season after selected season.
In Kolmer’s case, the preventive involved mixing the poliovirus with a mildly toxic solution of sodium ricinoleate, which would not kill the virus, but would weaken it enough so that it wouldn’t actually cause symptoms, while still provoking an immune response in the body, so that the immune system would stand ready for any future exposure.
“Gentlemen,” Kolmer said when he rose in response, “this is one time I wish the floor would open up and swallow me.”
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