NEET > Biology Class 12 > Vaccination & Immunisation
Vaccination & Immunisation Video Lecture - Biology Class 12 - NEET
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FAQs on Vaccination & Immunisation Video Lecture - Biology Class 12 - NEET
| 1. What is the purpose of vaccination and immunization? |  |
Ans. Vaccination and immunization are preventive measures that aim to protect individuals from various infectious diseases by stimulating the body's immune system to produce an immune response. This helps create immunity against specific pathogens, reducing the risk of getting sick or experiencing severe symptoms if exposed to the disease in the future.
| 2. How do vaccines work to prevent diseases? | |
Ans. Vaccines work by introducing a harmless form of the pathogen or its parts (antigens) into the body. This triggers an immune response, causing the immune system to recognize and remember the pathogen. If the person is exposed to the actual pathogen later, the immune system can quickly recognize and destroy it, preventing the onset of the disease or reducing its severity.
| 3. Are vaccines safe? | |
Ans. Yes, vaccines are generally safe. Extensive research, testing, and monitoring are conducted before vaccines are approved for use. The potential risks associated with vaccines are carefully evaluated, and the benefits of vaccination greatly outweigh the risks. However, like any medical intervention, vaccines can have side effects, but these are usually mild and temporary, such as soreness at the injection site or low-grade fever.
| 4. What are the common vaccines recommended for children? | |
Ans. Common vaccines recommended for children include the measles, mumps, and rubella (MMR) vaccine, diphtheria, tetanus, and pertussis (DTaP) vaccine, polio vaccine, hepatitis B vaccine, influenza vaccine, and pneumococcal vaccine, among others. These vaccines protect against various diseases and are administered as per the recommended immunization schedule.
| 5. Do vaccines provide lifelong immunity? | |
Ans. The duration of immunity provided by vaccines varies for different diseases. Some vaccines provide lifelong immunity, while others may require booster doses to maintain protection. For example, vaccines like measles and rubella typically provide long-lasting immunity, while vaccines for tetanus or pertussis may require periodic boosters. Continuous research and surveillance are conducted to determine the duration of vaccine-induced immunity and the need for additional doses.
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Sushil Kumar |
Video Description: Vaccination & Immunisation for NEET 2023 is part of Biology Class 12 preparation.
The notes and questions for Vaccination & Immunisation have been prepared according to the NEET exam syllabus.
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Video Lecture & Questions for Vaccination & Immunisation Video Lecture | Biology Class 12 - NEET - NEET full syllabus preparation | Free video for NEET exam to prepare for Biology Class 12.
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