The standard system for classifying splenomegaly on radiography is: 1  Normal (not splenomegaly): the largest dimension is less than 11 cm. 2  Moderate splenomegaly: the largest dimension is between 11â20 cm. 3  Severe splenomegaly: the largest dimension is greater than 20 cm.
The EBV germs transfer when contact is made with the saliva of the infected person, such as through kissing. Once infected, the Epstein-Barr virus stays in the body for life.The most common EBV among teenagers and young adults is infectious mononucleosis.he continual production of saliva keeps the mouth moist. Many communicable diseases, however, find passage from one person to another through contact with saliva, such as when kissing or coughing.
Mosquito-borne viruses. Arboviruses, or arthropod-borne viruses, are transmitted by mosquitoes or other blood-sucking insects. Mosquito-borne viruses can cause infections that include West Nile, La Crosse, St. Louis, western equine and eastern equine encephalitis. There are two types of herpes simplex virus (HSV). 2  Either type can cause encephalitis. 3  HSV type 1 (HSV-1) is usually responsible for cold sores or fever blisters around your mouth, and HSV type 2 (HSV-2) commonly causes genital herpes.