“…Among these the Nipah virus, Rabies, Herpes simplex, Japanese encephalitis, Dengue and Enteroviruses are the most common viruses identified in Bangladesh. Rubella virus, Varicella zoster, Mumps and Cytomegalovirus are also frequently reported in the laboratory 5 . There have been significant developments in the last few decades in the understanding of the pathogenesis of the disease process by the application of new technologies 6 .…”