Share Blue Light Turns Ordinary Hydrogen Peroxide into MRSA Treatment particularly antibiotic-resistant bacteria By Ayda Walsh Boston University College of Photonics researchers at Boston University have developed a drug-free treatment for tough-to-treat MRSA infections. The article states “…it can kill 99.9% of methicillin-resistant Staphylococcus aureus, known as MRSA. Methicillin is a common antibiotic used to treat MRSA.