《流行病学与循证医学精品课件》01-绪论.pptVIP

* John Snow was a founding member of the London Epidemiological Society, one of the first professional organizations? devoted to the field of epidemiology.? The seal of the organization (see figure) includes the Latin phrase penned by the Roman poet Persius (34-64 AD), venienti occurrite morbo, translated into English as confront disease at its onset. How did this important movement get started?? What were their contributions during Snows life, and in the years that followed?? ORIGIN OF SOCIETY In February 1848, three and a half years after John Snow received his MD degree, an intriguing letter to the editor appeared in The Lancet.? England at the time was very concerned with the possible appearance of a second cholera epidemic (the first ever occurred in 1831-32). The letter started, Will that dreadful scourge the cholera visit our island again?? If so, are medical men prepared to wage a war against it? The letter proceeded to suggest that meetings [to address this disease] should be held in different localities.? Finally the letter concluded with the suggestion that medical journals should report a statistical account of deaths and recoveries.? The signer was mysteriously identified as Pater (a British term for father).? In July 1849, after cholera had again appeared in England, the same Pater wrote once more to The Lancet, but this time to propose ...the formation of a new society, which might be styled the Asiatic-Cholera Medical Society, or the Epidemic Medical Society, the object of which would be to investigate epidemics...? The identity of Pater was finally revealed in The Lancet as J. H. Tucker, a concerned physician practicing in London.??His stimulating words lead to a meeting on March 6, 1850 in Hanover Square, within walking distance of the Broad Street pump in the Soho region of London.? It was here that the London Epidemiological Society was born, perhaps in the building shown to the right. A second meeting was held in Hanover Square on July 30, 18