Franz Wiesbauer looks at how a doctor can work out the probability of disease when confronted with a positive or a negative test result and how the prevalence of a given disease affects this probability.
John Snow (1813-1858) was one of the first anaesthetists – he even chloroformed Queen Victoria! – but today he is famous for his investigation of the 1854 Broad Street cholera outbreak in Soho, London. By mapping the cases of cholera…
John Snow (1813-1858) was an English physician. Snow is considered one of the fathers of modern epidemiology (the cholera cartographer); and a leader in the development of anaesthesia, medical hygiene and public health.
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