국내에서는 본격적인 전국 기생충 조사가 실시된 1971년 당시에는 회충 충란 양성률이 54.9%로 높게 보고되었다.
In Korea, in 1971, when a full-scale national parasite survey was conducted, the egg positive rate of roundworm was reported as high as 54.9%.