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EPIDEMIOLOGY OF MEASLES IN THE CENTRAL REGION OF GHANA: A FIVE-YEAR CASE REVIEW IN THREE DISTRICT HOSPITALS
Abstract
ABSTRACT
Objective: As part of a national accelerated campaign to eliminate measles, we conducted
a study, to define the epidemiology of measles in the central region.
Design: A descriptive survey, was carried out on retrospective cases of measles.
Setting: Patients were drawn from the three district hospitals (Assin, Asikuma and
Winneba hospitals) with the highest number of reported cases in the region.
Subjects: Records of outpatient and inpatient measles patients attending the selected
health facilities between 1996 and 2000. Data on reported measles cases in all health
facilities in the three study, districts were also analysed.
Main outcome measures: The distribution of measles cases in person (age and sex), time
(weekly, or monthly, trends) and place (residence), the relative frequency, of cases, and
the outcome of treatment.
Results: There was an overall decline in reported cases of measles between 1996 and
2000 both in absolute terms and relative to other diseases. Females constituted 48%-
52% of the reported 1508 cases in the hospitals. The median age of patients was 36
months. Eleven percent of cases were aged under nine months; 66% under five years
and 96% under 15 years. With some minor variations between districts, the highest
and lowest transmission occurred in March and September respectively. Within
hospitals, there were sporadic outbreaks with up to 34 weekly cases.
Conclusion: In Ghana, children aged nine months to 14 years could be appropriately,
targeted for supplementary, measles immunization campaigns. The best period for the
campaigns is during the low transmission months of August to October. Retrospective
surveillance can expediently inform decisions about the timing and target age groups
for such campaigns.
Objective: As part of a national accelerated campaign to eliminate measles, we conducted
a study, to define the epidemiology of measles in the central region.
Design: A descriptive survey, was carried out on retrospective cases of measles.
Setting: Patients were drawn from the three district hospitals (Assin, Asikuma and
Winneba hospitals) with the highest number of reported cases in the region.
Subjects: Records of outpatient and inpatient measles patients attending the selected
health facilities between 1996 and 2000. Data on reported measles cases in all health
facilities in the three study, districts were also analysed.
Main outcome measures: The distribution of measles cases in person (age and sex), time
(weekly, or monthly, trends) and place (residence), the relative frequency, of cases, and
the outcome of treatment.
Results: There was an overall decline in reported cases of measles between 1996 and
2000 both in absolute terms and relative to other diseases. Females constituted 48%-
52% of the reported 1508 cases in the hospitals. The median age of patients was 36
months. Eleven percent of cases were aged under nine months; 66% under five years
and 96% under 15 years. With some minor variations between districts, the highest
and lowest transmission occurred in March and September respectively. Within
hospitals, there were sporadic outbreaks with up to 34 weekly cases.
Conclusion: In Ghana, children aged nine months to 14 years could be appropriately,
targeted for supplementary, measles immunization campaigns. The best period for the
campaigns is during the low transmission months of August to October. Retrospective
surveillance can expediently inform decisions about the timing and target age groups
for such campaigns.
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