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How tobacco plants and their relatives are helping us win the war against polio and Zika

One of the great 20th century medicine success stories is the near eradication of the scourge of polio. Since the introduction of a vaccine in the 1950s, cases of polio have dropped by 99 percent. Offering hopes of complete eradication of the disease, a team of scientists in the UK has created a synthetic polio vaccine that contains non-infectious virus particles that can be grown quickly and cheaply in a close relative of the tobacco plant.
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