Giardiasis is an intestinal infection in dogs caused by the protozoa Giardia lamblia. The most common symptom is diarrhea. The zoonotic potential of giardiasis is controversial.

• 贾第虫病，又称贾第鞭毛虫病，是由原生动物蓝氏贾第虫感染肠道引起的疾病。最常见的症状是腹泻。该疾病是否为人畜共患病尚存争议。