Defective interfering virus protects elderly mice from influenza
2011

Defective Interfering Virus Protects Elderly Mice from Influenza

Sample size: 10 publication Evidence: high

Author Information

Author(s): Scott Paul D, Meng Bo, Marriott Anthony C, Easton Andrew J, Dimmock Nigel J

Primary Institution: School of Life Sciences, University of Warwick

Hypothesis

Can a defective-interfering influenza A virus protect elderly mice from severe influenza infection?

Conclusion

The defective interfering virus is effective in preventing severe influenza A in elderly mice and may offer a new approach to protection of the human population.

Supporting Evidence

  • Elderly mice treated with the DI virus showed reduced severity of influenza infection.
  • Mice that received the DI virus developed immunity to a second infectious challenge.
  • Control groups treated with inactivated DI virus became extremely ill and most died.

Takeaway

A special virus can help older mice fight off the flu better, making them less sick.

Methodology

Elderly mice were given a single dose of the protective DI virus intranasally before being challenged with influenza A virus.

Limitations

The study was conducted on mice, and results may not directly translate to humans.

Participant Demographics

Elderly mice approximately 18 months old.

Statistical Information

P-Value

0.0043

Statistical Significance

p = 0.0043

Digital Object Identifier (DOI)

10.1186/1743-422X-8-212

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