### Summary box Significant progress has been made in reducing the global burden of visceral leishmaniasis (also known as ‘kala azar’), a vectorborne disease that is 100% fatal if left untreated, but new threats are on the horizon. So far, the success has been particularly striking in India, Bangladesh and Nepal, where reported cases have declined from more than 77 000 in 1992 to under 3200 in 2019.1 2 In contrast, in East Africa, existing diagnostics and treatments are not as effective and progress has been more fragile. Around 11 000 cases were reported …

中文翻译：

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控制东非内脏利什曼病：进展缓慢，新威胁

### 摘要框 在减少内脏利什曼病（也称为“黑热病”）的全球负担方面取得了重大进展，这是一种媒介传播的疾病，如果不及时治疗，死亡率为 100%，但新的威胁即将出现。迄今为止，印度、孟加拉国和尼泊尔的成功尤为显着，报告病例从 1992 年的 77 000 多例下降到 2019 年的 3 200 例以下。1 2 相比之下，在东非，现有的诊断和治疗方法并不那么有效且进展更加脆弱。报告了大约 11 000 例……