but also, mark along with it, there's high temperature and shivering,

其它症状伴随出现高烧发抖
violent headache, nausea and vomiting,

剧烈的头痛恶心呕吐
and general flu-like symptoms;

还有类似于普通流感的症状
after which the patient passes on to the second stage of bubonic plague,

之后患者进入到腺鼠疫的第二阶段
when it invades--

当它侵入
the bacteria invade the lymph system and drain into the lymph nodes.

病毒侵入淋巴系统并流进淋巴结
A couple of days later a so-called bubo--

几天后被称为炎性淋巴
which gives the symptom

依据腺鼠疫的名字
that gives the disease its name, bubonic plague--

而命名的症状
the plague of buboes appears.

炎性淋巴腺肿出现
This is an infected swelling of the lymph nodes,

它的表现是淋巴结受感染肿大
a hard mass the size of an orange beneath the skin.

在皮肤下出现桔子般大小的硬块