“…Evidence for an increased susceptibility to mycoplasma infections in PAD patients is the increased incidence of pneumonia caused by Ureaplasma urealyticum, which is rarely associated with nonurogenital infections in immunocompetent hosts (117). In rare cases of pneumonia in patients with XLA or CVID, other organisms have been isolated, including Pneumocystis jirovecii, Mycobacterium hominis, Mycobacterium avium, and adenovirus (15,32,114,141). A case of measles pneumonia, which developed after exposure to wild-type virus, has been reported for a patient with XLA who had absent B cells (141).…”