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Use of Human Cell Lines in Critical Vaccines and Therapies
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Use of Human Cell Lines in Critical Vaccines and Therapies
Reasons human cells are used in vaccine research and development:
- To develop a vaccine that can be produced on a large scale, researchers must grow viruses or bacteria in large quantities and with great consistency.
- Bacteria can be grown in a laboratory, but viruses need living cells to infect so they can make copies of themselves.
- Viruses tend to grow better in cells from humans than those of other animals.
- Human cells can be maintained for long periods of time at low temperatures, enabling scientists to use the same cell lines from many decades ago.
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