2021 年巴西研究发现，气候变化和森林砍伐导致登革热在南部和中西部地区传播。 2021 Brazil study finds climate change and deforestation contribute to dengue fever spread in southern and midwestern regions.

巴西奥斯瓦尔多·克鲁兹基金会的一项研究表明，气候变化和森林砍伐正在促进登革热在巴西的传播，特别是在南部和中西部地区。 Climate change and deforestation are facilitating the spread of dengue fever in Brazil, particularly in the southern and midwestern regions, according to a study by Brazil's Oswaldo Cruz Foundation. 该研究将这种疾病的激增归因于极端天气现象的增加，包括干旱和洪水，以及塞拉多生物群落的环境退化，其中包括森林砍伐、火灾和林地转变为牧场。 The study attributes the surge in the disease to the rise in extreme weather phenomena, including droughts and floods, as well as environmental degradation in the Cerrado biome marked by deforestation, fires, and the conversion of woodlands into grazing lands.