Estudo epidemiológico e subnotificação de dengue em crianças menores de 15 anos de idade, dentre os anos 2007 a 2014 no município de Foz do Iguaçu - PR

Abstract

The dengue virus has increasingly circulated in the country. In Paraná State, specifically in Foz do Iguaçu, due to its climate and geographical peculiarities, it increases the probability of cases of dengue fever annually. The virus has four subtypes and is transmitted by the Aedes aegypti. After the human host infected, if the disease progresses to cure, this individual acquires immunity to serotype that was infected. The World Health Organization (WHO) has determined new classification for the disease, dengue, dengue with warning signs and severe dengue. The Ministry of Health maintained the division by groups seeking to medical management. The suspected of dengue should be confirmed clinical and laboratory and is defined as a suspected case any citizen who lives or has traveled in the last 14 days to the area where there is dengue epidemic or has the presence of the Aedes aegypti, presenting fever and two or more of the following: nausea, vomiting, rash, myalgia, arthralgia, headache, retro-orbital pain, petechiae (or positive tourniquet test), leucopenia. However, in children under 15, mainly children under 4 years old, dengue is not manifest with characteristic symptoms with gradual evolution, as it happens in adults. This study aimed to elucidate the difficulty of suspected dengue in this age group in the city of Foz do Iguaçu. For this was done an epidemiological study of dengue and search on records in the Information System of Notification of Diseases (Sinan). A questionnaire applied to the municipal health professionals was also employed as a comparative means for thematic. The results underpin the possibility of underreporting (not notification) in children under 15 years (particularly in children under 4 years) as dengue in children presents nonspecific symptoms that are easily confused with other viruses, as may be happening.