The Hand Symbol-Meaning Native American symbols, like the hand symbol, are geometric portrayals of celestial bodies, natural phenomena and animal designs.Native Indian symbols were used for a variety of reasons and depicted on numerous objects such as tepees and clothing.and Symbol Meaning The next picture illustrates the use of the black hand symbol on the white horse. Black was used to symbolize victory and might be applied to the horse before returning home to the camp. Black Paint was made using ground charcoal, mixed with spit or animal fat, so it was readily available.
Shiga Toxin-Producing E. coli Infection Facts. Escherichia coli, or E. coli for short, is a very common bacterium. There are hundreds of different strains of E. coli. Some are harmless while others cause serious illness.
1 Serotype E. coli 0157:H7 is a gram-negative bacterium that can produce a bloody diarrhea due to toxins, especially Shiga (Vero) toxin, it secretes when it infects the human intestine. 2  Other E. coli serotypes like 0145 or 0104:H4 can act like 0157:H7 if they acquire the ability to produce Shiga (Vero) toxin.