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Useful and Harmful Microbes — Science STD 9 — Question

Maharashtra BoardEnglish MediumSTD 9ScienceUseful and Harmful Microbes3 Marks
Question
Which vaccines are given to infants? Why?
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Answer

  • Hepatitis A and B, DTP (Diphtheria, Tetanus, Pertussis.) Polio, MMR (Measles, Mumps, Rubella), Chicken pox, Influenza, Tetanus, BCG, Rotavirus, etc.
  • Vaccines consist of dead or weakend microbes. When these are swallowed or injected, the body produces antibodies to fight them.
  • These antibodies remain in the body and protect it from any future attack of the disease causing microbes.
  • Therefore, vaccines are given to infants for preventing diseases.

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