On the basis of a meta-analysis of three cohort studies, Gill Schierhout and colleagues reported a strong inverse association between human T-cell lymphotropic virus 1 (HTLV-1) and gastric cancer (relative risk 0·45, 95% CI 0·28–0·71). The authors proposed that this protective effect might be due to the lower prevalence of Helicobacter pylori infection among individuals with HTLV-1 than in individuals without HTLV-1, with the possibility that progression to immunosuppression might result in a decreased ability to sustain a H pylori infection.

中文翻译：

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HTLV-1感染和健康状况。

在对三项队列研究的荟萃分析的基础上，Gill Schierhout及其同事报告了人类T细胞淋巴病毒1（HTLV-1）与胃癌之间的强烈逆相关性（相对风险0·45，95％CI 0· 28-0·71）。作者提出，这种保护作用可能是由于HTLV-1个体中幽门螺杆菌感染的发生率比没有HTLV-1个体低，并且免疫抑制的进展可能导致维持幽门螺杆菌的能力下降。感染。