Definition. Shigella infection (shigellosis) is an intestinal disease caused by a family of bacteria known as shigella. The main sign of shigella infection is diarrhea, which often is bloody.Shigella can be passed through direct contact with the bacteria in the stool.efinition. Shigella infection (shigellosis) is an intestinal disease caused by a family of bacteria known as shigella. The main sign of shigella infection is diarrhea, which often is bloody.
The Giza Pyramids, built to endure an eternity, have done just that. The monumental tombs are relics of Egypt's Old Kingdom era and were constructed some 4,500 years ago. Egypt's pharaohs expected to become gods in the afterlife.
Pyramids became a common thing to build over tombs, and by the time the final resting places of Egyptâs rulers was moved to the Valley of the Kings, others were using small pyramids to mark grave sites.here are few monuments more iconic than the Giza pyramids. Egyptian builders didnât get the formula right on the first try, though, and there are a handful of other types of pyramids that came before. Some, like the mastaba, were used as early tombs.