Could Bacteria-Fighting Viruses Help Treat Infections?

Viruses that attack bacteria could become an important tool for treating some infections, particularly as antibiotic resistance makes certain bacterial diseases harder to tackle.

Known as bacteriophages, these viruses target bacteria rather than human cells. Their ability to attack bacterial hosts has drawn interest in their potential use as a treatment.

Antibiotics remain a main line of defence against bacterial infections. But when bacteria develop resistance, medicines that once worked against them can become less effective, narrowing treatment options.

Using bacteriophages could offer another approach in some cases. Their usefulness depends in part on finding a virus that can target the bacteria responsible for an infection.

The prospect does not mean viruses are a universal replacement for antibiotics. Further research is needed to establish how phage-based treatments can be used safely and effectively against particular infections.