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GIANTmicrobes® Professional
| • Polio loomed over the early part of the 20th century | • Polio was asymptomatic up to 99% of the time | • Polio caused paralysis, and struck often in the summer months | | • "Iron lung" breathing-machines kept sufferers alive | • A vaccine was developed 50 years ago | • Polio is on the verge of extinction |
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