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Which of the following are reasons why eggs provide an excellent in vivo viral cultivation system?

Question

Which of the following are reasons why eggs provide an excellent in vivo viral cultivation system?

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Solution

Eggs provide an excellent in vivo viral cultivation system for several reasons:

  1. Nutrient-Rich Environment: The egg, especially the embryonated chicken egg, provides a nutrient-rich environment that is conducive for the growth and multiplication of viruses.

  2. Different Cell Types: An egg contains different types of cells (such as epithelial cells, endothelial cells, and fibroblasts) which can be infected by different types of viruses. This makes it a versatile system for cultivating a wide variety of viruses.

  3. Large Size: The large size of eggs makes it easy to inoculate them with a virus and later harvest the virus.

  4. Cost-Effective: Eggs are relatively cheap and easy to obtain, making them a cost-effective option for viral cultivation.

  5. Ethical Considerations: Using eggs for viral cultivation is less ethically contentious than using live animals.

  6. Historical Success: Many important viruses, including influenza and yellow fever viruses, have been successfully grown in eggs, demonstrating the effectiveness of this system.

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