All of the following infections due to nematodes result from ingestion of infective eggs except-
filariform larvae- infective form Man acquires infection by walking on barefoot on the contaminated soil. The filariform larvae penetrates the skin coming in contact with soil. (refer pgno:149 baveja 3 rd edition)
Ascaris lumbricoides
Enterobius vermicularis
Strongyliodes stercoralis
Trichuris trichura
parasitology