Toxocariasis in the Tula region

: Serological survey of 2586 persons with suspected toxocariasis revealed Toxocara antigen titers in 644 (24.9%). Canine toxocariasis affliction was 25%, environmental Toxocara egg contamination was 3.2%. Seropositive persons were recorded in 22 of the 24 districts. A patient-carrier ratio was 1:1.6. Visceral toxocariasis was more frequently notified in children. The clinical picture was polysymptomatic with a predominance of intoxication (86%), temperature responses (49%), abdominal (37%) and pulmonary (30%) syndromes.