The rainy seasons have higher malaria rates, but are also related to a variety of bacterial and viral infections that have seasonal and rainfall related rates. (sciencedaily.com)
More on Tropical Forests: Amazon Deforestation Increases Malaria Rate by 50 % Stopping Deforestation, Greening Agriculture Better Than Carbon Capture & Storage: UNEP Carbon Emissions From Amazon Deforestation Increase as Older Forest Cleared (treehugger.com)
More on Deforestation: Amazon Deforestation Increases Malaria Rate by 50 % Stopping Deforestation, Greening Agriculture Better Than Carbon Capture & Storage: UNEP More Dirty Deforestation: 55 % of Indonesia's Logging Illegal + Cargill's Two Hidden Palm Oil Plantations Carbon Emissions From Amazon Deforestation Increase as Older Forest Cleared Tropical Deforestation Brings Economic Boom, Followed by Human & Ecological Bust (treehugger.com)