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.
Mystery markings: A close up view of the red figures on the floor behind the first blocking stone in the tomb. Hidden depths: The Great Pyramid of Giza in Egypt is the last of the seven wonders of the ancient world still standing. A new study has revealed hieroglyphics not seen by humans for 4,500 years. Hieroglyphics such as this are common in pyramids. Now a camera has revealed other ancient markings in the Giza pyramid.