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Volume 8, Number 8—August 2002

Research

Outbreak of Serogroup W135 Meningococcal Disease after the Hajj Pilgrimage, Europe, 2000

Jean-François Aguilera*Comments to Author , Anne Perrocheau†, Christine Meffre‡, Susan Hahné§, and the W135 Working Group1
Author affiliations: *Communicable Disease Surveillance Centre, London, United Kingdom; †Institut de Veille Sanitaire, St. Maurice, France; ‡Rijksinstituut voor Volksgezondheid en Milieu (RIVM), European Programme for Intervention Epidemiology Training, Bilthoven, the Netherlands; §Communicable Disease Surveillance Centre, Cardiff, Wales, United Kingdom

Main Article

Table 2

Characteristics of pilgrim and contact cases in Europe following the Hajj, 2000

Pilgrims Household contacts Outside-of- household contacts No identified contact
No. of cases 12 31 21 26
Mean age (yrs) 50.0 16.0 6.9 25.8
Sex ratio (M/F) 4/8 13/18 13/8 10/13a
Median no. of bedrooms in household 3.0 2.5 2.5 2.0
Median no. of rooms in household 6.0 5.0 5.5 4.0
CFR 5/12 (41.7%) 3/31 (9.7%) 1/18 (5.6%) 5/21 (23.8%)

a Sex not known for three cases.
CFR, case-fatality rate.

Main Article

1F. Carion and O. Ronveaux, Institut de Santé Publique, Brussels, Belgium; P. Nuorti, H. Kayhty, and N. Nguyen Tran Minh, Kansanterveyslaitos Folkhälsoinstitutet, National Public Health Institute, Helsinki, Finland; T. Breuer, U. Menzel, and V. Bremer, Robert Koch Institute, Berlin, Germany; J. Kool, Rijksinstituut voor Volksgezondheid en Milieu, Bilthoven, the Netherlands; L. Spanjaard, Netherlands Reference Laboratory for Bacterial Meningitis, Amsterdam, the Netherlands; M. Arneborn and H. Götz, Smittskyddinstitutet, Stockholm, Sweden; P.Olcen, National Meningitidis Reference Laboratory, Örebro, Sweden; M. Ramsay, N. Noah, and E. Kaczmarski, Public Health Laboratory Service (PHLS), London, United Kingdom; J. Stuart, PHLS, Gloucester, United Kingdom; D. Levy-Bruhl, M.D. Matsika-Claquin, and J.C. Desenclos, Institut National de Veille Sanitaire, St-Maurice, France; M.K. Taha, Institut Pasteur, Paris, France; B. Iversen and D. Caugant, Folkehelsa, Oslo, Norway.

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