tailieunhanh - A review of Giardia lamblia in drinking water

This situation has become a major concern for safe drinking water for human consumption. In this review, relevant aspects of the biology and epidemiology of Giardiasis were discussed including the life cycle of Giardia, transmission and health effects of giardiasis, pathogenesis, methods for detection of Giardia in water and measure to control Giardia. | Tạp chí Khoa học - Công nghệ Thủy sản Số 2/2014 VAÁN ÑEÀ TRAO ÑOÅI A REVIEW OF GIARDIA LAMBLIA IN DRINKING WATER TỔNG QUAN VỀ LOÀI GIARDIA LAMBLIA TRONG NƯỚC UỐNG Trương Thị Thu Thủy1 Ngày nhận bài: 06/11/2013; Ngày phản biện thông qua: 10/01/2014; Ngày duyệt đăng: 02/6/2014 SUMMARY The parasitic flagella Giardia lamblia (also called as Giardia intestinalis or Giardia duodenalis) has emerged over the past decades as a major pathogen causing giardiasis. This species has two major forms in the life cycle: the trophozoite and the cyst, in which the cyst is the robust form and is very infectious and resistant in the environment. This causative agent has been associated with waterborne outbreaks. The infection can be spread directly from person to person by the Giardia infected person or indirectly from untreated water. Most people infections result from the use of water contaminated with Giardia cysts. Giadiasis is considered as a protozoan infection of gastroenteritis. An increasing number of waterborne Giardiasis outbreaks have been reported worldwide. This situation has become a major concern for safe drinking water for human consumption. In this review, relevant aspects of the biology and epidemiology of Giardiasis were discussed including the life cycle of Giardia, transmission and health effects of giardiasis, pathogenesis, methods for detection of Giardia in water and measure to control Giardia. Keywords: Giardia lamblia, giardiasis, waterborne, outbreak, gastroenteritis TÓM TẮT Loài trùng roi ký sinh Giardia lamblia (còn được gọi Giardia intestinalis hoặc Giardia duodenalis) đã trở thành tác nhân gây bệnh trong các thập kỷ qua gây ra bệnh giardiasis. Loài này có hai dạng chính trong vòng đời: cá thể dinh dưỡng và bào nang, trong đó bào nang là dạng bền vững, có tính lây nhiễm cao và có sức chống chịu trong môi trường. Tác nhân gây bệnh này gắn liền với sự bùng phát dịch bệnh lan truyền qua nước. Sự lây nhiễm này có thể xảy ra trực tiếp từ người sang người .

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• A review of Giardia lamblia in drinking water
• Giardia lamblia in drinking water
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