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| 1875 || {{w|Disinfectant}} introduction || Microbial infection || Bucholtz publishes his determinations of the concentrations of, amongst other substances, {{w|phenol}}, {{w|creosote}} and [[w:Salicylic acid|salicylic]] and {{w|benzoic acid}} required to inhibit the growth of and to kill mixed cultures of unnamed micro-organisms.<ref name="Hugo"/> ||
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| 1876 || Scientific development || {{w|Anthrax}} || German microbiologist {{w|Robert Koch}} publishes his work on anthrax, for the first time conclusively proving that a bacterium could be a specific infectious agent.<ref name="Hewlett"/> ||{{w|Germany}}
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| 1877 || Scientific development || Bacterial infection || English physicist {{w|John Tyndale}} discovers the heat resistant phase of bacteria, the spore. Tyndale creates {{w|tyndallization}}, a method of fractional, intermitent processing to inactivate spores, by turning them into less resistant vegetative microbes, upon incubation in a growth medium.<ref name="Rogers"/> || {{w|United Kingdom}}
| 1881 || Disinfectant research || {{w|Anthrax}} || {{w|Robert Koch}} concludes that {{w|ethanol}} is innefective as an antiseptic based on his work with {{w|anthrax}} spores.<ref name="Block"/> || {{w|Germany}}
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| 1881 || Disinfection method research || Bacterial infection || {{w|Robert Koch}} and coworkers determine the exact value of dry heat and the limitations of steam at 100°C. They additionally create the silk thread technique for testing bactericidal agents, impregnated with anthrax spores.<ref name="Rogers"/> || {{w|Germany}}
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| 1881 || Disinfectant research || {{w|Diphtheria}} || Evidence is found about the use of {{w|ozone}} as a disinfectant, mentioned by Kellogg in his book on {{w|diphtheria}}.<ref name="Rogers"/> ||
