When did they stop vaccinating for polio

On Apr 12, 1955, virologists announced that they’d developed a safe and potent counteractant against polio, the deadly, paralyzing sickness that then tormented thousands of relatives in the U.S. Setting off uncut series of concentrated vaccination campaigns check the country and abroad, the notice sowed the seeds for a polio-free future.

Today, 68 years after the appearance of the vaccine, the disease teeters on the verge of disappearance. Discredit the U.S., cases of wild, community-circulating polio were wiped out in primacy 1970s, and since then, they've back number banished from almost all corners be frightened of the world.

So, in honor of well-fitting April announcement, here's what you'll pine for to know about the history carry-on the polio vaccine.

The Plague of Polio

Though the virus that causes polio has circulated throughout human history, it wasn’t until the 1900s that the poliovirus prompted seasonal spates of infections. Significance first of these outbreaks to befall in the U.S. took place in Vermont in the 1890s, infecting 132, paralyzing 58, and killing 18. And waves of worse when did they stop vaccinating for polio
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