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Continue to ChatU-of-I study shows diluted smallpox vaccine effective https://www.radioiowa.com/2004/09/09/u-of-i-study-shows-diluted-smallpox-vaccine-effective/
U-of-I study shows diluted smallpox vaccine effective https://www.radioiowa.com/2004/09/09/u-of-i-study-shows-diluted-smallpox-vaccine-effective/