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流行病学一、传染源:细菌性痢疾的传染源是急、慢性菌痢病人和健康带菌者。急性菌痢病人中,具有典型症状的病人可从大便中排出大量的痢疾杆菌,而且在菌痢的流行季节中,典型病人数量多,因此他们是主要的传染源。我们曾经调查过52例急性菌痢患者的家庭,在患者发病后每周检查接触者的大便一次,连续观察四周。结果在203名接触者中,有16例出现急性菌痢的临床症状,有5例
Epidemiology First, the source of infection: The source of infection of bacterial dysentery is acute and chronic bacillary dysentery patients and healthy carriers. Among patients with acute bacillary dysentery, patients with typical symptoms can discharge large amounts of dysentery bacilli from their stools, and they are the major sources of infection in the season of epidemic of dysentery because of the large number of typical patients. We have investigated 52 families of patients with acute bacillary dysentery and examined the stools of the contacts one week after the onset of the disease and observed them continuously for four weeks. Results Of the 203 contacts, 16 developed clinical symptoms of acute bacillary dysentery, 5 of them