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Breath tests for lung diagnoses

A simple breath test could be used to diagnose lung infections such as TB by identifying bacterial "fingerprints" in just minutes, scientists say.

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Breath tests on mice identified separate bugs

  • Scientists analysed volatile organic compounds (VOCs) given off by two common bugs that infect lungs: Pseudomonas aeruginosa and Staphylococcus aureus;
  • Mice infected with the bacteria had their breath sampled after 24 hours;
  • The test could tell the species of bacteria apart and also identified two strains of one of the bugs

Results are published in the Journal of Breath Research.

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