Ancylostoma duodenale is the dominant species in the Mediterranean region and North Asia. Necator americanus is most common in the Americas, Central and South Africa, South Asia, Indonesia, Australia, and the Pacific Islands. Particularly, ancylostomiasis is the most prevalent hookworm infestation and is second only to ascariasis in infestations by parasitic worms. Hookworm is an endemic in many tropical and subtropical areas, especially in areas where human feces are not disposed off in a sanitary manner. Occasionally coughing and upper respiratory tract infections may occur from the worms moving through the lungs. Most importantly, chronic infestations in children may retard growth and thinking ability and may cause a potbelly appearance. Other symptoms include fever, abdominal pain, weight loss, constipation, or diarrhea. Heavy infestations may cause a person to become anemic due to worms feeding on the host’s blood. Moreover, it is common for people with light infestations to be asymptomatic. Generally, the symptoms vary according to the severity of the infestation. Approximately seven million liters! What are the symptoms of hookworm infestation? Indeed, around 20% of the world’s population carries hookworms and suffers a huge volume of daily blood loss.
Hookworm is a common, chronic, parasitic infection due to the invasion of the worms Necator americanus and Ancylostoma duodenale in human beings.
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