Author: Chu, Xin-wei; Chen, Qing; Wu, Min; Yu, De-xian; Long, Jun; Yu, Shou-yi
Title: [Epidemiological study of the features of the index cases in SARS case clusters]. Cord-id: 7i6mfefh Document date: 2003_1_1
ID: 7i6mfefh
Snippet: OBJECTIVE To understand the epidemiological characteristics of the index cases in severe acute respiratory syndrome (SARS) cases clusters and to evaluate their importance in the whole epidemic process of SARS. METHODS Data of the index SARS cases and the subsequent case clusters were collected by means of face-to-face interview in combination with field investigation and case history consultations. RESULTS In all three SARS clusters, the index cases all had chronic disease and played the role of
Document: OBJECTIVE To understand the epidemiological characteristics of the index cases in severe acute respiratory syndrome (SARS) cases clusters and to evaluate their importance in the whole epidemic process of SARS. METHODS Data of the index SARS cases and the subsequent case clusters were collected by means of face-to-face interview in combination with field investigation and case history consultations. RESULTS In all three SARS clusters, the index cases all had chronic disease and played the role of infection source that transmitted the virus to the patients' family members, attending medical staff as well as other non-SARS patients sharing the same ward with them. CONCLUSION The index cases played an important role in transmission of SARS virus among the case clusters, and their infective stages are confined within certain phases of the disease course.
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