Introduction:

Progress in public health concept has introduced new approaches such as the concept of syndromic surveillance, which includes non-specific febrile syndrome.

Objective:

To describe patients diagnosed with dengue virus in patients with non-specific febrile síndrome.

Method:

A cross-sectional, descriptive, observational study was conducted in the health area of the "Angel Machaco Ameijeiras" Teaching Polyclinic in Guanabacoa, Havana, from January to December 2019; the population studied was 580 patients. A data collection model was used and the variables to be measured were: age, sex, immunoglobulin M result, month, urban or semi-urban patient's area of origin and symptoms such as headache, arthralgia, malaise, dizziness, nausea, rash, fever, retro ocular pain, myalgias and abdominal pain.

Results:

The age group between 1 and 19 years predominated, 281 patients for a 48.44 %, the increase of cases starting in July and ending in December, negative cases rather than positive one are predominant, representing the female sex, urban areas presented the highest number of cases with 72.58 % and p value=0.00. Fever was the predominant symptom, present in 87% of the patients.

Conclusions:

The most representative age group with fever was between 1 and 19 years, the increase in cases began in July and 229 patients presented dengue virus, predominantly in urban areas, with fever as a cardinal symptom.

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