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The period of time from swallowing eggs to the appearance of new eggs around the anus is 4 to 8 weeks. [2] Some people who are infected do not have symptoms. [1] The disease is spread between people by pinworm eggs. [1] The eggs initially occur around the anus and can survive for up to three weeks in the environment. [1]
Hookworm infection is an infection by a type of intestinal parasite known as a hookworm. [1] [5] Initially, itching and a rash may occur at the site of infection.Those only affected by a few worms may show no symptoms.
Over the next two to three months the larvae develop into adult male and female worms. The male remains small at 4 cm (1.6 in) long and 0.4 mm (0.016 in) wide; the female is comparatively large, often over 100 cm (39 in) long and 1.5 mm (0.059 in) wide. [5] Once the worms reach their adult size they mate, and the male dies. [6]
Hookworm is closely associated with poverty because it is most often found in impoverished areas, and its symptoms promote poverty through the educational and health effects it has on children. [2] It is the leading cause of anemia and undernutrition in developing countries, while being one of the most commonly occurring diseases among poor people.
Rapid treatment may kill adult worms and thereby stop further worsening of symptoms. [4] Both medications are considered safe but have been associated with side effects such as bone marrow suppression. [4] Their use during pregnancy or in children under the age of 2 years is poorly studied but appears to be safe. [4]
Worms commonly live for about one year, [5] during which time females can lay up to 20,000 eggs per day. Recent studies using genome-wide scanning revealed that two quantitative trait loci on chromosome 9 and chromosome 18 may be responsible for a genetic predisposition or susceptibility to infection of T. trichiura by some individuals.
Though Weber’s experience of getting pregnant naturally at 49 is rare, it is emblematic of a cultural shift in the whens, hows, and whos of pregnancy. ... who get pregnant later are more likely ...
If the infection is only with a few worms, there are often no symptoms. [1] In those who are infected with many worms, there may be abdominal pain, fatigue and diarrhea. [1] The diarrhea sometimes contains blood. [1] Infections in children may cause poor intellectual and physical development. [1] Low red blood cell levels may occur due to loss ...