Volume 8, Number 8—August 2002
Research
Outbreak of Serogroup W135 Meningococcal Disease after the Hajj Pilgrimage, Europe, 2000
, Anne Perrocheau†, Christine Meffre‡, Susan Hahné§, and the W135 Working Group1
Table 1
Cases of W135 meningococcal disease reported from nine European countries following Hajj, 2000
| UK (no., % ; n=42) | France (no., % ; n=24) | All other countries (no., % ; n=24) a | Total (no., % ; n=90) | |
|---|---|---|---|---|
| Sex ratio (M/F) | 0.6 | 0.7 | 1.7 | 0.9 |
| Age distribution | ||||
| <1 year | 6 (14) | 3 (13) | 5 (21) | 14 (16) |
| 1–4 | 14 (33) | 7 (29) | 14 (58) | 35 (39) |
| 5–9 | 6 (14) | 2 (8) | 0 | 8 (9) |
| 10–19 | 0 | 2 (8) | 1 (4) | 3 (3) |
| 20–49 | 7 (17) | 3 (13) | 1 (4) | 10 (11) |
| 50–65 | 5 (12) | 4 (17) | 0 | 10 (11) |
| >65 | 4 (10) | 3 (13) | 1 (4) | 8 (9) |
| Unknown | 0 | 0 | 2 | 2 |
| No. of deaths | ||||
| <1 year | 0 | 0 | 0 | 0 |
| 1–4 | 1 | 1 | 2 | 4 |
| 5–9 | 1 | 0 | 0 | 1 |
| 10–19 | 0 | 0 | 0 | 0 |
| 20–49 | 3 | 1 | 0 | 4 |
| 50-64 | 1 | 1 | 0 | 2 |
| >65 | 2 | 1 | 0 | 3 |
| CFR (overall) | 19.0% | 16.7% | 8.3% | 15.6% |
aThe Netherlands, Germany, Finland, Sweden, Belgium, Norway, and Switzerland.
CFR, case-fatality rate.
UK, United Kingdom.
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.