迄今为止,已知只有家禽在病毒从动物传给人类的传播循环中发挥作用。
To date, only domestic poultry are known to have played a role in the transmission cycle of the virus from animals to humans.
尽管2000年之后主导血清型在DENV - 3和DENV - 2之间交替,但是全部四种登革热病毒血清型一直在循环着。
All four dengue virus (DENV) serotypes were permanently in circulation, though the predominant serotype has alternated between DENV-3 and DENV-2 since 2000.
初步研究证明prostratin也可能防止在血液中循环的净化病毒结合成一个整体重新融入健康的免疫细胞。
Preliminary research suggests that prostratin may also prevent copies of the purged virus which are circulating in the bloodstream from integrating themselves back into healthy immune cells.
So, if you look in the blood of patients that are infected with Hepatitis B you find a lot of Hepatitis B surface subunits, proteins without the nucleic acid circulating in their blood.
因此,如果你观察一下,已经感染乙肝病毒患者的血液,你会发现许多乙肝病毒的表面亚基,以及血液循环中存在没有核酸的蛋白质
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