Vaccinating the World Against Covid-19 Can Take a Lesson From Polio, Smallpox - Bloomberg

Vaccinating the World Against Covid-19 Can Take a Lesson From Polio, Smallpox - Bloomberg

Vaccinating the World Against Covid-19 Can Take a Lesson From Polio, Smallpox - Bloomberg

Posted: 27 Feb 2021 04:00 PM PST

ON THIS DAY: February 23, 1954, Dr. Jonas Salk begins first mass polio vaccination in Pittsburgh - WPXI Pittsburgh

Posted: 22 Feb 2021 09:18 PM PST

The clinical trials of the vaccine on 1.8 million schoolchildren, called "polio pioneers," that had begun in Pittsburgh in 1954, were completed by April 12, 1955, when the vaccine was announced as safe and effective. A nationwide inoculation campaign was immediately launched, though it was briefly suspended after more than 200,000 people were injected with a bad batch of the vaccine from a California lab. Thousands of polio cases were reported, 200 children were paralyzed and 10 died. Standards for manufacturing the vaccine were tightened and the campaign resumed.

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