Republic of Korea said Thursday it has confirmed three cases of a respiratory virus, AP reported. A 76-year-old man was diagnosed Thursday with contracting Middle East Respiratory Syndrome, according to the Korea Centers for Disease Control and Prevention. The patient shared a hospital room with a man who was South Korea's first confirmed case of MERS, agency chief Yang Byung-Guk told reporters. Health officials say the first confirmed patient's wife also contracted the disease. All three are being treated in hospitals.