The infection route of Ascaris suum is （）

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• The infection rate in the vaccine group increased to 7.8%, and was not significantly different from 13.2% in the controls (P0.1)
• Patterns of TORCH infection include （）
• The giant panda Chorioptes panda infection mostly happens in the late spring or early autumn.
• The prevalent season for cat Otodectes mite infection is（）
• Dogs with heartworm infection are often accompanied by nodular skin diseases.