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Vaccination is the practice of artificially introducing germs or germ substances into the body for developing resistance against a particular diseases. Usually, the vaccine or germ is introduced into the body by injection and sometimes orally.
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Effects of Air Pollution
High levels of air pollution can cause an increased risk of heart attack, wheezing, coughing, and breathing problems, and irritation of the eyes, nose, and throat. Air pollution can also cause worsening of existing heart problems, asthma, and other lung complications.
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