Volume 7, Number 7—June 2001
Research
Measles Outbreak in a Community with Very Low Vaccine Coverage, the Netherlands
Susan van den Hof*
, Christine M.A. Meffre*, Marina A.E. Conyn-van Spaendonck*, Frits Woonink†, Hester E. de Melker*, and Rob S. van Binnendijk*
, Christine M.A. Meffre*, Marina A.E. Conyn-van Spaendonck*, Frits Woonink†, Hester E. de Melker*, and Rob S. van Binnendijk*Table 3
Attack rates (ARs) for clinically confirmed and suspected measles cases among pupils and their household contacts, by sex, vaccination history, history of measles, and susceptibility, the Netherlands, 1999-2000
| Pupils |
Household members |
Total |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| n | Cases | AR (%) | n | Cases | AR (%) | n | (%) | Cases | AR (%) | |
| Sex | ||||||||||
| Male | 129 | 69 | (53) | 174 | 38 | (22) | 303 | (52) | 107 | (35) |
| Female | 126 | 69 | (55) | 153 | 37 | (24) | 279 | (48) | 106 | (38) |
| Vaccination historya | ||||||||||
| Vaccinated | 25 | 0 | (0) | 4 | 0 | (0) | 29 | (5) | 0 | (0) |
| Unvaccinated | 230 | 138 | (62) | 48 | 24 | (50) | 278 | (48) | 162 | (58) |
| Unknown | 0 | 0 | (0) | 275 | 51 | (18) | 275 | (47) | 51 | (19) |
| History of measles | ||||||||||
| Yes | 69 | 1 | (2) | 192 | 0 | (0) | 261 | (54) | 1 | (0) |
| No | 168 | 133 | (79) | 39 | 26 | (67) | 207 | (36) | 159 | (77) |
| Unknown | 18 | 4 | (31) | 96 | 49 | (47) | 114 | (20) | 53 | (45) |
| Susceptibilityb | ||||||||||
| Yes | 146 | 133 | (91) | 28 | 24 | (86) | 174 | (30) | 157 | (90) |
| No | 92 | 1 | (1) | 195 | 0 | (0) | 287 | (49) | 1 | (0) |
| Unknown |
17 |
4 |
(31) |
104 |
51 |
(49) |
121 |
(21) |
54 |
(45) |
| Total | 255 | 138 | (54) | 327 | 75 | (23) | 582 | (100) | 213 | (37) |
aVaccination history for pupils according to Provincial Vaccine Administration records, for nonpupils according to questionnaire.
bSusceptibility of pupils: with no recorded measles-containing vaccination(s) and with no reported history of measles. Susceptibility of nonpupils: with no reported measles-containing vaccination(s) and with no reported history of measles for those born in 1986 or later.
