Diseases that are no longer significant causes of mortality thanks to the availability of antibiotics are diphtheria and scarlet.
Antibiotics are medicines that fight infections that are caused by bacteria in humans and animals. Bacteria are germs and they live in the environment and all over the inside and outside of our bodies.
With the introduction of antibiotics, infectious diseases that previously led to deaths of people or severely disabled, is now regarded as easily treatable. For example: survival rate of bacterial pneumonia increased from 20% to 85% between 1937 and 1964.
Human life expectancy has jumped by eight years between years 1944 and 1972 due to the introduction of antibiotics.
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