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In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.