human cytomegalovirus (hcmv) is a ubiquitous virus whose sole host is humans. since hcmv can contagion from person to person through numerous ways, vast populations of humans are infected. hcmv infections can potentially have a range from asymptomatic infection in immuno-competent hosts to life-threatening diseases in organ recipients and patients with aids. the present article reviews the occu...

Silicosis patients (SILs) and patients who have been exposed to asbestos develop not only respiratory diseases but also certain immunological disorders. In particular, SIL sometimes complicates autoimmune diseases such as systemic scleroderma, rheumatoid arthritis (known as Caplan syndrome), and systemic lupus erythematoses. In addition, malignant complications such as lung cancer and malignant...