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Author Question: Frederique is the leader of a country in which citizens tend to have a low tolerance for ... (Read 172 times) |
In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.