 [ Symptoms ] how can so little damage or so little of something cause mortality  how can so little of something or so small a percentage of damage cause something as severe as mortality for example dying from as little as 30 burns on your body not from something more common sense  to me  like 50 or higher or having 7 plaque blocking your arteries or even ingesting as little as 100 micrograms of mercury would kill you [ Disease ] hi this may help you in your search viral infections like epstein barr virus hepatitis virus herpes virus bacterial infections like strep throat staph fungal infections respiratory infections urinary and gastrointestinal infections can all cause hives they do not cause hives directly but indirectly by causing inflammation from stimulating the body is defence mechanisms do hope this helps good luck