If Borders is selected in the draft, she won't be the first woman selected there, either. The Chicago White Sox selected Karey Schueler - daughter of Chisox general manager Ron - with their 43rd pick (of 49 in all) in the 1993 draft. Nor will Borders even be the first woman to play professional baseball.
The criteria for establishing a causative link between a particular microorganism and a particular disease were first proposed by Jacob Henle. true Viruses and bacteria were first cultured in the laboratory at about the same time.
The cause of cholera is infection by the V. cholera bacteria. These bacteria were discovered in 1883. The German bacteriologist, Robert Koch (1843-1910), studied the disease during an epidemic in Egypt. He found a bacterium in the intestines of those who had died of cholera but could neither isolate the organism nor infect animals with it.