Measles Outbreak in Phimai District, Nakhon Ratchasima Province and Suggestions for Measles Elimination Thailand in 2017

Abstract

Background: Measles is a common childhood disease in children ages 1-6 years. Caused by the measles virus, which can be found in the nose and throat of patients. The contact from coughing or talking in close proximity.On June 6, 2017, patients with confirmed measles cases in several groups, in Phimai District, Nakhon Ratchasima Province were reported to Epidemiology and Intelligence Group. Nakhon Ratchasima Health Provincial Office and the Office of Disease Prevention and Control 9, Nakhon Ratchasima collaborated to investigate between 14-16 June 2017, with the aim of confirming the diagnosis and confirming the outbreak. To study descriptive epidemiological characteristics. To identify causes and risk factors for outbreaks and to implement preventive measures.

Methods: A 1:4 matched case-control study was conducted. Samples were collected from 65 patients (13 patients without 52 patients) using the ME 2 form. Epi info was used to calculate frequencies, Odds ratios, 95 % CI and analyst univariate by logistic regression.

Results: There were 23 patients with the disease rate of 18.90 per 100,000 population. 13 confirmed cases (56.52%) 10 suspected cases (43.47 %). Laboratory results showed 13 positive samples (61.90%). Propagated source outbreak.Distribution in 8th Tambon, highest sickness rates in Tambon Tha Luang.Patients in the age group of 20-24 years (21.74%) and 30-34 years (21.74%) were the majority. The risk factors for this measles outbreak were having travel history during 2 weeks before illness (OR = 4.92 (95% CI 1.22-19.474), sharing objects with the patient (OR = 7.85(95% CI 1.68-36.62) and Vaccination (OR = 0.09) (95%ม CI 0.01-0.61)