mouth disease +
viral infectious disease +

acute hemorrhagic conjunctivitis
adult T-cell leukemia/lymphoma
aleutian mink disease
Alkhumra hemorrhagic fever
anogenital venereal wart
Arenaviridae infectious disease +
Barmah Forest virus disease
borna disease
burning mouth syndrome
chickenpox
chikungunya
Colorado tick fever
common cold
common wart
contagious pustular dermatitis
Coronavirus infectious disease +
cowpox
Crimean-Congo hemorrhagic fever
dengue disease +
Eastern equine encephalitis
Ebola virus disease
epidemic pleurodynia
Epstein-Barr virus infectious disease +
exanthema subitum
focal epithelial hyperplasia
hand, foot and mouth disease
Hantavirus hemorrhagic fever with renal syndrome +
hantavirus pulmonary syndrome
herpes simplex +
herpes zoster
herpes zoster oticus
HTLV-1-associated myelopathy/tropical spastic paraparesis
human cytomegalovirus infection
human immunodeficiency virus infectious disease +
Human papillomavirus infectious disease
influenza +
Japanese encephalitis
Kaposi's sarcoma
Kyasanur forest disease
La Crosse encephalitis
lip disease +
louping ill
Marburg hemorrhagic fever
measles
milker's nodule
molluscum contagiosum
mpox
mumps
Murray Valley encephalitis
Newcastle disease
Nipah virus encephalitis
O'nyong-nyong fever
Omsk hemorrhagic fever
oral candidiasis
oral cavity cancer +
oral cavity carcinoma in situ +
oral hairy leukoplakia
oral leukoedema
oral mucosa leukoplakia
oral submucous fibrosis
oral tuberculosis
Oropouche fever
periodontal disease +
pharyngoconjunctival fever
phlebotomus fever
plantar wart
poliomyelitis +
Polyomavirus-associated nephropathy
Powassan encephalitis
progressive multifocal leukoencephalopathy
rabies
respiratory syncytial virus infectious disease
Rift Valley fever
Ross River fever
rubella
salivary gland disease +
smallpox +
St. Louis encephalitis
tick-borne encephalitis
tongue disease +
tooth disease +
Trichomonas tenax trichomoniasis
vaccinia
Venezuelan equine encephalitis
vestibular neuronitis
viral encephalitis +
viral esophagitis
viral exanthem +
viral gastritis +
viral hepatitis +
viral labyrinthitis
viral laryngitis
viral meningitis
viral pneumonia
West Nile encephalitis +
West Nile fever
Western equine encephalitis
yellow fever
Zika fever
Zika virus congenital syndrome