Despite the polysaccharide treatment , all non - vaccined broilers were infected and died by virulent nd virus attack 05 ） ，牛膝多糖在80 、 160ug加也促进脾淋巴转化乃
Rapid detection is particularly important for some of the more virulent bacteria , such as listeria monocytogenes 对某些致命细菌（如单核细胞增多性李氏杆菌）的快速检测甚为重要。
An abscess is a complication of severe pneumonia , most typically from virulent organisms such as s . aureus 脓肿是比较严重的肺炎并发症,引起该病最典型的病原微生物是例如s .金葡菌。
Scientists show how salmonella food bacteria in space become more virulent in their weightless surroundings 科学家显示腔隙的沙门氏菌食物细菌如何在他们的无重量环境方面变得更有毒。
More virulent bacteria and / or more severe pneumonias can be associated with destruction of lung tissue and hemorrhage 毒力较强细菌性肺炎或更严重的肺炎可能与肺组织破坏和出血有关。
This species is made more virulent by producing large amount of toxins and proteolytic enzymes , further accelerating its spread 这种致病菌可以产生大量毒素和蛋白水解酶增强其毒性，进一步加快传播。
These are stronger , more invasive viruses which are not recommended unless you have this highly virulent form of ibd 这些都是毒力强些的疫苗，不建议使用毒力再强些的疫苗除非有这种高致病力的ibd存在。
Comparing with results to higher plants , we found that the similar aos burst occured in virulent host pathogenesis of some higher plants 与高等植物类比，我们发现病原菌引起的海带组织呼吸氧爆发模式与高等植物相同。
Among 31 strains , gx - 8 / 99 was the most virulent , which could cause as high mortality as 70 % - 94 % in the relatively wide ranges of ages 致病性最强的gx8 99可在易感年龄的spf鸡引起70 - 92的死亡率，是典型的超强毒。
There is a sort of green leaf , it is virulent , not only whoever eat it will die , even incaution , your skin will repidly canker for touching it 有一种绿叶，有剧毒，不但人吃了要死，就是不小心，皮肤沾上了，那也会很快溃烂！
