What's more, lassa infections frequently affect liver function.

此外拉萨热通常影响肝功能。

Confirming a case of lassa fever would be a big deal.

确认拉萨热病例事关重大。

And sure enough, the test comes back positive for lassa fever.

果然，拉萨热测试呈阳性。

The patient would have to be quarantined to stop others from being infected and kept under close observation, as lassa fever is often deadly.

由于拉萨热通常是致命的，患者必须被隔离以防止其他人被感染，并接受密切观察。