致病性

Brew microzyme is on mucous membrane surface extensively surely, normal to immune function host does not have the sex that cause disease.

酿酒酵母菌广泛定居于粘膜表面，对免疫功能正常宿主无致病性。

HMLH3 missense mtations in family 9 and 10 may be pathogenic, with reduced penetrance. While in family 1 and 7, there were not sufficient evidence supporting the monogenic explanations of esophageal cancers in families.

然而由于这2项突变在家系中发生的频率较高，而在散发性病例和正常对照中均没有此项改变，因此提示T3826C和G4335A也可能具有一定的致病性。

Scietists discovered that this particular variety of rabbit was susceptible to a fatal virus desease,myxomatosis.

科学家们发现，这种特殊品种的兔子易患一种叫做"多发性粘液瘤"的致病性疾病。

Result The heterobacteria, vibrios and pathogenic Vibrio parahaemolyticus were the roost in fertilized eggs of shrimp rot the least in nauplius, then their number would increase with growth. During whole rearing period, both heterobacteria in larvae, vibrios in water would increase by one order of magnitude, while both vibrios in larvae and heterobacteria in water would increase by two orders of magnitude.

结果］异养菌、弧菌和致病性副溶血菌数量都是对虾受精卵中高，无节幼体中最低，而后逐渐升高在整个育苗期，对虾幼体中异养菌和养殖水体中弧菌增加1个数量级，对虾幼体中弧菌和养殖水体中异养菌均增加2个数量级。

"The fact that the virus is still there and still very pathogenic for the few people it affects is concerning," Dr. Nicoll said. On the other hand the fact that it hasn't started transmitting efficiently is encouraging.

"病毒仍存在，且对其感染的少数人仍有极强的致病性，这一事实令人担忧，"Nicoll博士说，另一方面，该病毒尚未开始有效地传播，这一情况又令人信心倍增。

Wild waterfowl are the natural reservoir of all influenza A viruses, and these viruses are usually nonpathogenic in these birds.

野生水鸟是所有甲型流感病毒的自然储存宿主，通常这些病毒对它们不具有致病性。

Wild waterfowl are the natural reseroir of all influenza A iruses, and these iruses are usually nonpathogenic in these birds.

野生水鸟是所有甲型流感病毒的自然储存宿主，通常这些病毒对它们不具有致病性。

Many species of the Neisseria, which are respiratory commensals in humans, have been regarded as being nonpathogenic or as causing disease in only immunocompromised hosts.

由非致病性Neisseria菌所引的心内膜炎是一罕见但极为严重的感染性疾病。

The result of specificity showed that different serotypes of strains were all positive for stx2 gene,while nonpathogenic E.coli ATCC23716 was negative.

特异度的测定结果表明不同血清型的大肠埃希菌均为stx2阳性，而非致病性大肠埃希菌ATCC23716则为阴性。

The virus isolates' pathogenicities varied from completely nonpathogenic to highly lethal and were positively correlated with tracheal virus titers.

不仅如此，其中8个病毒株通过接触能够有效感染新的野鸭并能够在其体内大量复制而不表现致病性。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。