Clonorchis sinensis Host Identification
The parasitic fluke Clonorchis sinensis, also known as the Chinese liver fluke, requires intermediate hosts to complete its complex life cycle.
The life cycle begins with the egg stage, typically shed in human feces into water. The first organism to ingest the egg must be a suitable freshwater snail. Within the snail, the miracidium hatches and develops through several larval stages (sporocyst, redia) into cercariae.
This snail serves as the crucial first intermediate host. The cercariae are later released from the snail and infect freshwater fish (the second intermediate host), eventually leading to human infection upon consumption of improperly cooked fish.
Based on the life cycle stages, the snail is the initial host required for the development of Clonorchis sinensis.
Important Questions from Metazoan Infections
Which one of the following is NOT appropriate treatment for Echinococcus granulosus and hydatid disease?
- All of the following are soil transmitted nematodes EXCEPT:
- Loffler's syndrome is caused due to infection by:
- Hematuria is a prominent symptom with infection due to:
- Pulmonary stage is seen in which of the following infections ?
1. Ascaris lumbricoides
2. Strongyloides stercoralis
3. Onchocerca volvulus
Select the correct answer using the code given below :
