Conclusion: HB has a certain character of familial assemblage. Contact in daily life is the main way of infection of hepatitis b.
结论:乙肝有一定的家庭聚集性,日常生活接触已成为乙肝主要的传播途径。
In this paper, the pathogenic fungi, the way of infection and spread of black spot ( Alternatia Helianthi) in sunflower, and synthetic control et al were discussed.
本文对向日葵黑斑病病原菌、分布、危害、侵染传播途径及综合防治措施等进行了叙述。
The first step towards reducing the number of babies infected in this way is to prevent HIV infection in women, and to prevent unwanted pregnancies.
减少通过这种方式受到感染的婴儿数量的第一步,就是是预防妇女感染HIV病毒,并防止意外怀孕。
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