Volume 9, Number 6—June 2003
Research
Serogroup W-135 Meningococcal Disease during the Hajj, 2000
Jairam R. Lingappa*
, Abdullah M. Al-Rabeah†, Rana Hajjeh*, Tajammal Mustafa†, Adel Fatani†, Tami Al-Bassam†, Amira Badukhan†, Abdulhafiz Turkistani†, Nassen Al-Hamdan†, Mohamed Al-Jeffri†, Yaqoub Al Mazrou†, Bradley A. Perkins*, Tanja Popovic*, Leonard W. Mayer*, and Nancy E. Rosenstein*
, Abdullah M. Al-Rabeah†, Rana Hajjeh*, Tajammal Mustafa†, Adel Fatani†, Tami Al-Bassam†, Amira Badukhan†, Abdulhafiz Turkistani†, Nassen Al-Hamdan†, Mohamed Al-Jeffri†, Yaqoub Al Mazrou†, Bradley A. Perkins*, Tanja Popovic*, Leonard W. Mayer*, and Nancy E. Rosenstein*
Table 1
Demographic characteristics of patients with confirmed meningococcal disease, Saudi Arabiaa
| Feature | All cases, n=253 (%) | Serogroup-specific cases, n (%) |
|
|---|---|---|---|
| W-135, n=93 | A, n=60 | ||
| Median date of hospital admission (range) |
Mar 29 (Jan 24–June 2) |
Apr 5 (Feb 22–May 24) |
Mar 22(Feb 20–May 26) |
| Femaleb |
118 (47) |
48 (52) |
20 (33) |
| Median age, y (range) |
40 (0.2 to 80) |
35 (0.2 to 80) |
42 (2 to 75) |
| No. of cases identified in Jeddah |
41 (16) |
3 (3) |
3 (5) |
| No. of cases identified in Meccab |
158 (62) |
53 (57) |
50 (83) |
| No. of cases identified in Medinab |
54 (21) |
37 (40) |
7 (12) |
| National statusb |
|||
| Resident (Saudi/non-Saudi background) |
98 (39) |
43 (46) |
17 (29) |
| Hajj or Umrah traveler |
143 (57) |
48 (52) |
42 (71) |
| Nonofficial |
11 (4) |
2 (2) |
0 (0) |
| Chronic illness |
44 (17) |
12 (13) |
10 (17) |
| History of any meningococcal vaccination |
130/222 (59) |
55 (67) |
30 (59) |
| National origin |
|||
| Africa |
89 (35) |
36 (39) |
19 (32) |
| Asiac |
106 (42) |
31 (33) |
29 (48) |
| Southwest Asia |
65(26) |
17(18) |
23(38) |
| Europe |
9 (4) |
5 (5) |
2 (3) |
| Middle East | 48 (19) | 21 (23) | 10 (17) |
aIdentified by retrospective surveillance (January 24–June 5, 2000) in Jeddah, Mecca, and Medina. Cases of serogroup B and C disease (four cases each), as well as cases of unknown serogroup, are not shown. Denominator for all confirmed cases is 253 unless stated otherwise (changes in denominators are due to missing values); denominator for serogroup-specific percentages is the total serogroup-specific disease.
b Comparison of characteristics for serogroup W-135 versus serogroup A with Fisher exact p value <0.05.
dCountries included in category of Southwest Asia: Afghanistan, Pakistan, India, Bangaladesh, Myanmar, and Sri Lanka.
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