第二中间宿主为景洪溪蟹和毛足溪蟹，前者的自然感染率为53.19%，后者为66.67%。
The second intermediate hosts are Potamon chinghungense and Potamon hispidum, with natural infectious rates of 53.19% and 66.67% respectively.
中国研究人员得出结论，猪在这次病毒基因重配中未发挥中间宿主作用。
As such, the Chinese researchers have concluded pigs are not intermediate hosts for the deadly new strain of bird flu.
目的调查福建省松溪县肺吸虫虫种，第一、二中间宿主及其感染率。
Objective Investigation of the species ofParagonimus, its first and second intermediate host (snail and crab) and the infection rate ofParagonimus in Songxi county, Fujian province.
目的通过调查、了解福州新店镇肺吸虫病疫区病原虫种和第一、二中间宿主（螺、蟹）的种类和感染率。
Aim Investigation of the species of Paragonimus and first and second intermdiate host (snail and crab) and their infection rate of Paragonimus in Xindian Town, Fuzhou City.
全县发现福建拟钉螺和放逸短沟蜷两种螺蛳，只有前者为斯氏狸殖吸虫和泡囊狸殖吸虫的第一中间宿主，其感染率为0 7% （4/ 5 6 9）。
Two species of snails, namely, Tricula fujiansis and Semisulcospira libertina were found, but only the former was the first intermediate host. The infection rate of snails was 0.7%(4/569).
结果梅州市并殖吸虫第二中间宿主均为平和华溪蟹。
Results The second intermediate host for Paragonimus is Sinopotamon pinheense Cheng et Li, 1998.
目的调查漳平市肺吸虫虫种的第一、二中间宿主及人群的感染率。
Objective To investigate the first and second i nter-mediate host(snail and crab)and the infection rate of Paragonimus in Zhanping city, Fujian province.
第二中间宿主溪蟹肺吸虫囊蚴感染率为6。
The result showed that the infectiosity of crab which considered as second intermediate host was 6.82%;
结果证实其第一中间宿主为拟钉螺属的几种拟钉螺；第二中间宿主是景洪溪蟹和毛足溪蟹；
The results confirm the first intermediate hosts are several species of Tricula, and the second intermediate hosts are Potamon chinghungense and P. hispidum.
结论蜚蠊是病原体扩散的中间宿主，口岸应采用先进检测技术监测蜚蠊中病原体。
Therefore, advanced techniques should be used at ports to detect pathogens carried by them.
结论蜚蠊是病原体扩散的中间宿主，口岸应采用先进检测技术监测蜚蠊中病原体。
Therefore, advanced techniques should be used at ports to detect pathogens carried by them.
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