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?

Source

 * 1) Recent additions 237, Numbered archive of Main Page appearance.
 * 2) Recent additions 231, Numbered archive of Main Page appearance.
 * 3) Recent additions 169, Numbered archive of Main Page appearance.