All of us are colonized in lots of places by bacteria, explains Joshua Wolf, MD, of St. Jude Infectious Diseases. Wolf는 폐렴구균이 어떻게 퍼지고 적응하는지에 초점을 맞춰 환자들과 직접 협력하고 있습니다. Bacteria live in our skin, nose, throat, gut, mouth, eyes, he says.