Portal:Technology/DYK/22

... that Japan's entomological warfare program in China during World War II used plague-infected fleas and cholera-coated flies (cholera pictured) to kill nearly 500,000 people?
... that vaporized hydrogen peroxide was used to disinfect buildings contaminated in the 2001 anthrax attacks in the U.S.?
...that James Jurin used statistical studies to show the probability of death from smallpox vaccine was significantly less than from smallpox?

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