mainly spread through fecal-oral route
(二) 亚临床感染者(subclinical infection) (一)主要是通过粪口传播(mainly spread through fecal-oral route) (二)密切接触(close personal to person contact) ..
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mainly spread through fecal-oral route
主要通过粪口途径传播
以上为机器翻译结果，长、整句建议使用 人工翻译 。