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Why Do We Fall — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceWhy Do We Fall1 Mark
Question
Why is it difficult to develop vaccines for some diseases?
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Answer

It may not be very easy to treat a communicable disease and so it is always a good idea to prevent them from happening because,
  1. A communicable disease can damage the body organ functioning.
  2. A treatment will take time, money and other resources. Moreover, the person may be bedridden for the period.
  3. A communicable disease can spread very fast that can be contracted by other people.
Therefore, prevention is always better than cure when it comes to communicable diseases.

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