Volume 8, Number 8—August 2002
Research
Outbreak of Serogroup W135 Meningococcal Disease after the Hajj Pilgrimage, Europe, 2000
Table 2
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.
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.