For some babies, commonly used antibiotics can become toxic. The drugs damage sensory cells inside the ear leading to permanent hearing loss.
The test - which analyses babies' DNA - can quickly spot those who are vulnerable.
It means they can be given a different type of antibiotic and avoid having a lifetime of damaged hearing. BBC News
See also:
- NICE recommends genetic test to prevent newborn babies going deaf National Institute for Health and Care Excellence
- Rapid Point-of-Care Genotyping to Avoid Aminoglycoside-Induced Ototoxicity in Neonatal Intensive Care (open access) JAMA Pediatrics
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