Which of the following viruses does not infect salivary glands?
Echovirus
Hepatitis C
HIV
Orthomyxovirus
Viral infections such as mumps, flu, and others can cause swelling of the salivary glands. 
Other viral illnesses that cause salivary gland swelling include the Epstein-Barr virus (EBV), cytomegalovirus (CMV), Coxsackievirus, Hepatitis C virus (HCV) and the human immunodeficiency virus (HIV).