但是靠经验粗略估计,绵羊是带毒者、猪病毒扩增者,牛是病毒指示动物。
But the rule of thumb is. sheep are carriers, pigs are amplifiers, and cows are indicators.
很明显,这将使得更多的人由于物质的激励变成“毒品骡子”(即人体带毒者——译者注),冒着风险非法穿越边境。
This, obviously, creates a financial incentive for individuals to become drug mules and risk the hazardous journey across the border with illicit substances.
外界刺激、宿主免疫力的降低等因素都可以使宿主由潜伏感染状态发病,成为带毒者和传播源,因此,对潜伏感染建立及维持机理的研究就显得尤为重要。
Hosts can be diseased from latency condition by the decreasing of host's immunity and stimulation of condition, and so on , then become a carrier and infectious source.
外界刺激、宿主免疫力的降低等因素都可以使宿主由潜伏感染状态发病,成为带毒者和传播源,因此,对潜伏感染建立及维持机理的研究就显得尤为重要。
Hosts can be diseased from latency condition by the decreasing of host's immunity and stimulation of condition, and so on , then become a carrier and infectious source.
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