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Delayed Symptoms Associated with the Convalescent Period of a Dengue Infection—New—National Center for Infectious Diseases (NCID), Centers for Disease Control and Prevention (CDC).
Background and Brief Description
Dengue is a vector-borne febrile disease of the tropics transmitted most often by the mosquito Aedes aegypti. Symptoms of the acute disease include fever, headache, rash, retro-orbital pain, myalgias, arthralgias, vomiting, abdominal pain and hemorrhagic manifestations.
A number of symptoms are mentioned in the medical literature as associated with the convalescent period after dengue infection, including depression, dementia, loss of sensation, paralysis of lower and upper extremities and larynx, epilepsy, tremors, manic psychosis, amnesia, loss of visual acuity, hair loss, and peeling of skin. The evidence for these findings has derived mainly from case series and case reports, but no analytic study has been conducted to define the timing, frequency, and severity of these symptoms, and quantity the magnitude of the association between dengue infection and each of these disorders.
The objective of this study is to compare mental health disorders and other delayed complications associated with dengue infection and convalescence among study groups. The study will be conducted in Puerto Rico, where dengue is endemic, in collaboration with Dengue Branch of the Centers for Disease Control and Prevention. Laboratory positive confirmed cases of dengue, laboratory negative suspected dengue cases, and neighborhood controls will be prospectively enrolled in the study. Telephone interviews will be conducted and information will be collected prospectively regarding symptoms experienced during the first five months after the onset of symptoms of a dengue infections. There are no costs to the respondents other than their time. The estimated annualized burden is 426 hours.
|Respondents||Number of respondents||Number of responses per respondent||Average burden per response (in hrs.)|
|Laboratory positive confirmed dengue||200||2||20/60|
|Dengue negative control||200||2||20/60|
Acting Reports Clearance Officer, Centers for Disease Control and Prevention.
[FR Doc. 05-18786 Filed 9-20-05; 8:45 am]
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