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Analysis and Factors Associated with Measles in Larut, Matang and Selama Districts, Perak, Malaysia
Asraf Ahmad Qamruddin1, Reza Qamruddin2, Ayu Malik1
1Larut Matang and Selama District Health Office, Perak, Malaysia.
Objectives:
To determine the incidence rate of measles and the factors associated with confirmed measles cases in Larut, Matang and Selama districts.
Methods:
Cross-sectional analysis was carried out looking at all suspected and laboratory-confirmed measles cases in Larut, Matang and Selama districts between 2015 and 2019. Multiple logistic regression analysis was used to determine the associated factors for laboratory-confirmed measles cases.
Results:
The incidence rate for suspected measles showed an increasing trend from 2015-2019. For laboratory-confirmed measles cases, the incidence rate showed more variation with an increase to 36.11 per million population in 2017 from 5.67 per million population in 2015. The incidence rate later decreased to 10.99 per million population in 2018 and increased again to 24.47 per million population in 2019. From multiple logistic regression analysis, cases that fulfilled the case definition of measles were more likely to be laboratory-confirmed measles. On the other hand, a prior history of measles immunisation was a protective factor.
Conclusion:
Measles incidence is increasing in trend. Any suspected measles cases that fulfilled the clinical case definitions need to be further investigated. Immunisation should be promoted as they are effective in preventing and eliminating measles.
