Food-borne outbreak of Giardia lamblia.

Giardia Lamblia.

Biology of Giardia lamblia.

Giardia lamblia is a common cause of diarrhea in humans and other mammals throughout the world. It can be distinguished from other Giardia species by light or electron microscopy. The two major genotypes of G. lamblia that infect humans are so different genetically and biologically that they may warrant separate species or subspecies designations. Trophozoites have nuclei and a well-developed c...

Giardia lamblia and Giardiasis

Introduction Ask the average outdoors person about Giardia lamblia, and they have certainly heard about it. Almost always, however, they are considerably misinformed about both the organism’s significance in wilderness water and the seriousness of the disease, giardiasis, if contracted. The amount of information easily found on the subject is voluminous. Unfortunately, almost all of it is flawe...

A food-borne outbreak of streptococcal pharyngitis.

BACKGROUND Food-borne pharyngitis outbreaks causing substantial morbidity have been documented. OBJECTIVES To investigate an outbreak of food-borne Streptococcus beta hemolyticus group A pharyngitis among employees of a hitech company. METHODS We received a report on an unusually high rate of morbidity among employees of a company in September 2003. The Tel Aviv District Health Office condu...

The cytoskeleton of Giardia lamblia.

Giardia lamblia is a ubiquitous intestinal pathogen of mammals. Evolutionary studies have also defined it as a member of one of the earliest diverging eukaryotic lineages that we are able to cultivate and study in the laboratory. Despite early recognition of its striking structure resembling a half pear endowed with eight flagella and a unique ventral disk, a molecular understanding of the cyto...