It is transmitted between animals and humans by the bite of infected fleas, direct contact, inhalation and rarely, ingestion of infective materials.

它通过受感染跳蚤的咬伤、直接接触、吸入和极少摄入传染物在动物与人之间传播。

The total infective rate of cryptosporidium parvum was low in this area.

该地区小隐孢子虫的总感染率很低。

Symptoms appear 3—14 days after the infective bite.

被具传染性的蚊虫叮咬之后3-14天出现症状。

Conclusion MRS strains have become major infective strains.

结论MRS菌株已经成为主要的感染菌。

There are two main types of conjunctivitis allergic and infective .

主要有两种类型的结膜炎过敏性和传染性。

Symptoms appear in 3-14 days (average 4-7 days) after the infective bite.

被具传染性的叮咬之后3 - 14天出现症状(平均4 - 7天)。

Infective intoxication, relative bradycardia and roseola were not common.

感染中毒症状，相对缓脉，玫瑰疹少见；

To assess the diagnostic value of ultrasonology in infective endocarditis.

探讨超声在感染性心内膜炎的诊断价值。

In the end, the infective factors of parameters in the model are analyzed.

最后，对模型中参数的影响因素进行了分析。

Objective to study the infective factors of the diabetic nephropathy class.

目的研究糖尿病肾病病变程度的影响因素。

The infective site were lung, oral cavity, cerebral meninges and blood etc.

真菌感染最常见的部位是肺，其次为口腔、脑膜和血液。

The water fleas are killed in the stomach but the infective larvae are liberated.

水蚤在胃里被杀死，但是感染性幼虫被解放出来。

Conclusion Low mortality occurs in the surgical therapy for infective endocarditis.

结论：外科治疗感染性心内膜炎的死亡率低。

It indicates that there may have the nature infective spots of E. Canis in the country.

表明我国极有可能存在该病的自然疫源地，有必要进行深入研究。

Symptoms appear seven days or more (usually 10-15 days) after the infective mosquito bite.

在受到感染的蚊虫叮咬7天后(一般是10 - 15天)出现症状。

Pestilence is a fierce and infective disease which is caused by the pestilential pathogen.

疫病是由感受疫疠之气引起的一种具有强烈传染性的疾病。

Dengue viruses are transmitted to humans through the bites of infective female Aedes mosquitoes.

登革热病毒通过传染性雌性伊蚊的叮咬传染给人类。

The larva is ingested by a water flea (cyclop), where it develops and becomes infective in two weeks.

幼虫通过水蚤（剑水蚤属）进入人体，在那里发育并在两周后带有感染性。

The larva is ingested by a water flea (Cyclops), where it develops and becomes infective in two weeks.

幼虫通过水蚤(剑水蚤属)进入人体，在那里发育并在两周后具有感染性。

Objective To research the application of maggot therapeutics for repairing serious infective wound.

目的探讨蛆虫疗法用于修复严重感染创面的应用体会。

Objective To explore the classification and treatment principle of the infective wounds in the foot.

目的探讨足部感染创面的分类及处理原则。

The small pear-shaped trophozoites live in the duodenum and become infective cysts that are excreted.

小的梨形滋养体在十二指肠内，变成有感染性的包囊后释放出来。

Conclusion Maggot therapeutics is an effective biological therapy for repairing serious infective wound.

结论蛆虫疗法是一种修复严重感染创面安全有效的生物扩创疗法。

The infectivity is quantified by counting the number of infective centers such as plaques pocks and foci.

应用计算感染点数目来确定其传染性，如蚀斑，痘疱及病杜数。

However, experts are uncertain as to what constitutes an infective dose when it comes to influenza viruses.

然而，专家们也不能确定多少流感病毒能让人感染。

Objective To research the ultrasonic image feature and diagnosis value in infective endocarditis valve excrescence.

目的探讨感染性心内膜炎心脏瓣膜赘生物的超声声像图特点及诊断价值。

It mainly has the heredity, the energetic nerve, endocrine, the infective agent or the extraneous factor and so on.

其主要有遗传、精神神经、内分泌、感染因素或外界因素等。