Boer, (Dutch: âhusbandman,â or âfarmerâ), a South African of Dutch, German, or Huguenot descent, especially one of the early settlers of the Transvaal and the Orange Free State. Today, descendants of the Boers are commonly referred to as Afrikaners. In 1652 the Dutch East India Company charged Jan van Riebeeck with establishing a shipping station on the Cape of Good Hope. Immigration was encouraged for many years, and in 1707 the European population of Cape Colony stood at 1,779 individuals.
G. lamblia. G. lamblia is a pear-shaped, flagellated protozoan (Figure 2) that causes a wide variety of gastrointestinal complaints. Giardia is arguably the most common parasite infection of humans worldwide, and the second most common in the United States after pin-worm.8, 9 Between 1992 and 1997, the Centers for Disease Control and Prevention (CDC) estimated that more than 2.5 million cases of giardiasis occur annually. It is the most prevalent nematode in the United States. Humans are the only known host, and about 209 million persons worldwide are infected. More than 30 percent of children worldwide are infected. 2. Adult worms are quite small; the males measure 2 to 5 mm, and the females measure 8 to 13 mm.
Trichomoniasis is the most prevalent nonviral sexually transmitted infection in the United States, affecting an estimated 3.7 million persons (533). Health disparities persist in the epidemiology of T. vaginalis infection in the United States: 13% of black women are affected compared with 1.8% of non-Hispanic white women (639).