Morphological diversity of Trichuris spp. eggs observed during an anthelminthic drug trial in Yunnan, China, and relative performance of parasitologic diagnostic tools

- Large Trichuris eggs were observed in fixed human faecal samples from China.
- The eggs were tentatively identified as those of Trichuris vulpis.
- Microscopists must remain attentive and should report uncommon eggs for follow-up.