It is caused by the Epstein-Barr virus (EBV)
Most commonly seen in immunocompromised individuals, and has a high specificity for individuals with HIV/AIDs.
The white plaque appearance is due to hyperkeratosis and epithelial hyperplasia.
Hairy oral leukoplakia
Tongue laceration
Herpes gingivostomatitis
Strawberry tongue
Black hairy tongue
Condyloma acuminata
Oropharyngeal candidiasis 
Exotic pet infections