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Multiplexed Isothermal Amplification Based Diagnostic Platform to Detect Zika, Chikungunya, and Dengue 1
Published on: March 13, 2018
First report of chikungunya from the Maldives
Abdul Azeez Yoosuf1, Ibrahim Shiham, Ahmed Jamsheed Mohamed
1Ministry of Health, Malé 20379, Republic of Maldives.
Abstract:
An outbreak, characterised by fever, arthralgia and myalgia, in Malé and other islands of the Maldives began in December 2006. The illness was suspected as being due to chikungunya virus based on clinical symptoms and the prevailing chikungunya epidemic in the Indian Ocean region. The Department of Public Health initiated an investigation and collected blood samples from 67 patients; 21% were IgM-positive for chikungunya and 96% were PCR-positive. Six percent were positive for dengue by enzyme immunosorbent assay and 4% had evidence of dual infection. This is the first time that chikungunya fever has been confirmed in the Maldives. A total of 11,879 suspected and confirmed cases affecting 61% of inhabited islands (attack rate ranging from 0% to 72% on individual islands) were reported by the end of the epidemic in April 2007.
Insights
Chikungunya virus outbreak confirmed in the Maldives in 2006. This mosquito-borne illness caused widespread fever and joint pain, affecting over 11,000 people across 61% of islands.
Area of Science:
- Medical Entomology
- Infectious Diseases
- Epidemiology
Background:
- An outbreak of fever, arthralgia, and myalgia occurred in the Maldives starting December 2006.
- Clinical symptoms and regional epidemics suggested chikungunya virus as the cause.
Purpose of the Study:
- To investigate and confirm the presence of chikungunya virus during the 2006-2007 outbreak in the Maldives.
Main Methods:
- Blood samples were collected from 67 patients.
- Chikungunya virus infection was detected using IgM antibody testing and PCR.
- Dengue virus co-infection was assessed via enzyme immunosorbent assay.
Main Results:
- 21% of patients were IgM-positive and 96% were PCR-positive for chikungunya.
- 6% tested positive for dengue, with 4% showing dual infection.
- The epidemic affected 11,879 individuals across 61% of inhabited islands by April 2007.
Conclusions:
- Chikungunya fever was confirmed for the first time in the Maldives.
- The outbreak had a significant attack rate, impacting a large proportion of the island nation.
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