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Epidemiology of measles in Blantyre, Malawi: analyses of passive surveillance data from 1996 to 1998

Yamaguchi, S., Dunga, A., Broadhead, R. L. and Brabin, Bernard (2002) 'Epidemiology of measles in Blantyre, Malawi: analyses of passive surveillance data from 1996 to 1998'. Epidemiology and Infection, Vol 129, Issue 2, pp. 361-369.

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Measles surveillance data in Blantyre, Malawi were reviewed for 1996-8 to describe the epidemiology of infection and to estimate vaccine efficacy (VE) by the screening method. A total of 674 measles cases were reported to the Blantyre District Health Office during this period. Age distribution showed that 108 (16.1 %) of the cases were aged less than 1 year. The median age was 5 years. Eighty percent of the cases between 1 and 19 years had been previously vaccinated. VE was 68.6 % (95 % CL 52.7-79.2) for children 12-23 months of age and 67.3 % (95 % CI, 48.3-79.3) for infants 9-11 months of age. Reasons for this low vaccine efficacy are discussed. Previous vaccination history was negatively associated with the risk for developing cough during measles infection (odds ratio (OR), 0.30; 95 % CI, 0.09-0.91), diarrhoea (OR, 0.64; Cl, 0.44-0.95) and pneumonia (OR, 0.40; CI, 0.25-0.62). Logistic regression analysis showed that pneumonia in adults was negatively associated with vaccination history. The passive surveillance system for measles in Malawi was useful to describe the epidemiology of measles.

Item Type: Article
Subjects: WA Public Health > Health Problems of Special Population Groups > WA 395 Health in developing countries
WC Communicable Diseases > Virus Diseases > Infectious Viral Skin Diseases > WC 580 Measles
Faculty: Department: Groups (2002 - 2012) > Child & Reproductive Health Group
Digital Object Identifer (DOI):
Depositing User: Martin Chapman
Date Deposited: 11 Dec 2012 10:40
Last Modified: 06 Feb 2018 13:05


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