Infections account for about 15% of human cancers globally. Dengue virus has been shown to infect blood stem cells in the bone marrow; however, the association between dengue virus infection and leukemia has not been investigated. By analyzing the National Health Insurance Research Database in Taiwan, Chien and colleagues found that people with previous dengue virus infection had a higher risk of leukemia. This finding suggests that dengue virus may be a potential oncovirus. Considering the rapidly increasing global incidence of dengue and the burden of leukemia, further studies are required to verify this finding.

Endogenous hormones and mammographic density are risk factors for breast cancer. Joint analyses of the two may improve the ability to identify high-risk women. Gabrielson and colleagues used the large, prospective KARMA study to evaluate the independence of DHEA/DHEAS with mammographic density as risk factors for breast cancer as well as the joint and independent...

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