Nolen: The first TB patient that I sat down with in Nairobi was a man who had extensively drug-resistant tuberculosis, or XDR-TB — essentially there’s a just a very slim chance that the only drugs we know about will actually…

Nolen: The first TB patient that I sat down with in Nairobi was a man who had extensively drug-resistant tuberculosis, or XDR-TB — essentially there’s a just a very slim chance that the only drugs we know about will actually…
Pope Francis, who remains hospitalized, has bilateral pneumonia, the Vatican said on Tuesday. The term simply means pneumonia in both lungs, said Dr. James Musser, director of the center for infectious diseases at the Houston Methodist Research Institute. He added…