<prompt> Autoinfection is NOT seen in:H. nanaH. diminutaStrongyloidosisTaenia solium  <response>: Autoinfection is seen in- C- Cryptosporidium parvum H- H. nana E- Enterobius vermicularis S- Strongyloides stercoralis T- Taenia solium Reference- Paniker Textbook of Parasitology 8th Ed pg no 148 Q209 Smallest helminth... Sol- - H-nana Dwarf tapeworm - smallest tapeworm with an adult length of 15-44mm - H. diminuta Rat tapeworm - cestode of mainly rodents with an adult length of 20-60cm -Balantidium coli is the only pathogenic ciliate -D. latum is 30 feet. 