وثيقة
A Second local dengue fever outbreak : a field experience from Muscat Governorate in Oman, 2022.
المعرف
DOI:10.1016/j.ijregi.2023.03.015
المساهمون
Al-Kalbaniyah, Lamya., مؤلف
Al-Manji, Asim., مؤلف
Amin, Mohammed., مؤلف
Al-Balushiyah, Zainab., مؤلف
Al-Barwaniyah, Nada., مؤلف
Al-Wahaibi, Adil., مؤلف
Al-Manji, Abdullah., مؤلف
Al-Kindiyah, Hanan., مؤلف
Petersen, Eskild., مؤلف
Al-Ghafriyah, Thamra., مؤلف
Al-Abri, Saif., مؤلف
الناشر
Elsevier.
ميلادي
2023-04
اللغة
الأنجليزية
الملخص الإنجليزي
Background: Dengue fever is an infectious disease of global health concern. This study aimed to describe the
epidemiology and field experience of a locally transmitted outbreak of dengue fever in Muscat Governorate,
Oman from mid-March to mid-April 2022, and the multi-sectoral approach to control the outbreak.
Methods: Data were collected from an electronic e-notification system, active surveillance and contact investiga tions.
Results: Of 250 suspected and probable cases, 169 were confirmed as dengue fever with DENV-2 serotype. Of
these, 108 (63.9%) were male and 94 (55.6%) were Omani. The mean age was 39 years (standard deviation
13 years). Fever was the most common symptom and occurred in 100% of cases. Haemorrhagic manifestations
occurred in 10% (n=17) of cases. Hospitalization was required for 93 cases (55.1%). The field investigation
included 3444 houses and other suspected sites. Breeding sites for Aedes aegypti were identified in 565 (18.5%)
sites visited. Interventions to control the outbreak included environmental and entomological assessment of the
affected houses and surrounding areas (400 m radius of each house).
Conclusion: Outbreaks are expected to continue, with the possibility of severe cases due to antibody-dependent
enhancement. More data are required to understand the genetics, geographical spread and behaviour of A. aegypti
in Oman
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