linguatula serrata, is a cosmopolitan zoonotic parasite. adult of l. serrrata parasitize the nasopharynx of canids. consuming raw glandular material of infected intermediate hosts (camel, sheep, cattle, goat, etc.) can infect human. in iran, two-humped camel is merely found in cold regions (ardabil and east azarbijan provinces) and is in danger of extinction. a seven-year-old two-humped male ...