• 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 GIANTmicrobes(R) Original (5-7" plush doll) $AUD12.95 GIANTmicrobes(R) Petri Dish (3 mini microbes) $AUD19.95

Hepatitis (Hepatitis C Virus) HIV (Human Immunodeficiency Virus) Polio (Poliovirus) TB (Tuberculosis)