Laboratory surveillance of dengue in Rio Grande do Sul, Brazil, from 2007 to 2013.

ABSTRACT:

Background

According to official records, dengue was introduced in Brazil in the 80's; since then several epidemics have occurred. Meanwhile, in Rio Grande do Sul (RS, Southern Brazil) the first autochthonous case occurred only in 2007.

Methodology and principal findings

In this study we report laboratory surveillance of dengue cases and seasonality of positive cases, describe serotypes and characterize the epidemiological pattern of dengue in RS from 2007 to 2013. A total of 9,779 serum samples from patients with suspected dengue fever were collected and submitted to molecular and/or serological analyses for dengue virus identification and serotyping, based on viral isolation, NS1 antigen detection and qRT-PCR, or Dengue IgM capture ELISA and MAC-ELISA. The first autochthon

SUBMITTER: Tumioto GL 

PROVIDER: S-EPMC4130601 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature