Introduction:

Zika is caused by the virus of the same name, an arbovirus transmitted mainly by the bite of the Aedes mosquito. The risk of reintroduction and autochthonous circulation of Zika virus in Cuba remains; therefore, it is considered a current problem.

Objective:

To characterize the clinical behavior of Zika virus infection in patients admitted to the Institute of Tropical Medicine Pedro Kourí (IPK).

Methods:

It was conducted a cross-sectional, descriptive study with an analytic component in patients with a diagnosis of Zika admitted to IPK from November 2016 to May 2017. Sociodemographic, clinical, biomedical and microbiological variables were analyzed.

Results:

In patients confirmed with Zika virus, the main clinical manifestations (p≤ 0.05) were pruritus and adenomegaly; with significantly longer duration of rash. Regarding confirmation studies by real-time polymerase chain reaction, the urine sample had significantly higher positivity values than the serum samples from the onset of the clinical picture.

Conclusions:

Pruritus and adenomegaly prevailed in the autochthonous cases of Zika under study. This allowed conducting a presumptive and differentiated diagnosis to other patients with a febrile syndrome. The microbiological diagnosis to confirm this arbovirus was performed by molecular methods. In the majority of cases, the urine samples were very useful from the first days after the onset of the symptoms.

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