The causes of massive splenomegaly (spleen >1000 g) are fewer, and include: 1  visceral leishmaniasis (kala-azar) 2  chronic myelogenous leukemia. 3  myelofibrosis. 4  malaria. 5  splenic marginal zone lymphoma.
Examples of how it can be spread are: Someone infected with the mumps virus is contagious for approximately 15 days (six days before the symptoms start to show, up to nine days after they start). The mumps virus is part of the paramyxovirus family, which is a widespread cause of infection, especially in children.Normally, mumps can be diagnosed by its symptoms alone, especially by examining the facial swelling. In addition to examining this area and taking a note of the symptoms, a doctor may:umps is an extremely contagious viral infection that usually affects children. The condition has a number of symptoms, the most common one being swelling of one or both of the salivary glands on the sides of the face.
Which of the following is an infectious disease caused by a virus for which there is no vaccine? A. Measles B. Mumps C. Common cold D. Heart disease 4. Your bodyâs ability to destroy previously encountered pathogens is called A. inflammation. B. immunization.hich of the following is an infectious disease caused by a virus for which there is no vaccine? A. Measles B. Mumps C. Common cold D. Heart disease 4. Your bodyâs ability to destroy previously encountered pathogens is called A. inflammation. B. immunization.