Climate and dengue seasonality in each study site.

<p>Campo Grande (CGR), Parnamirim (PNM), Santarém (STR) and the neighbor cities of Duque de Caxias and Nova Iguaçu (DQC-NIG). Grey bars: monthly accumulated rainfall; solid and dotted black lines: mean, minimum and maximum monthly temperatures; red lines: 2001–2009 average monthly dengue incidence (cases per 10,000 inhabitants). Dashed red line: dengue incidence in NIG. Data sources: Dengue incidence <a href="http://dtr2004.saude.gov.br/sinanweb/" target="_blank">http://dtr2004.saude.gov.br/sinanweb/</a>), population (<a href="http://cidades.ibge.gov.br/xtras/home.php" target="_blank">http://cidades.ibge.gov.br/xtras/home.php</a>), meteorological data (SISAM <a href="http://sisam.cptec.inpe.br/sisam/" target="_blank">http://sisam.cptec.inpe.br/sisam/</a>).</p>