See Conditions by category > Viral Diseases
- Acquired Immunodeficiency Syndrome
- Adenoviridae Infections
- Adenovirus Infections, Human
- AIDS Dementia Complex
- AIDS-Associated Nephropathy
- AIDS-Related Complex
- AIDS-Related Opportunistic Infections
- Alphavirus Infections
- Arbovirus Infections
- Bell Palsy
- Bronchiolitis, Viral
- Burkitt Lymphoma
- Central Nervous System Viral Diseases
- Chickenpox
- Common Cold
- Condylomata Acuminata
- Conjunctivitis, Viral
- Coxsackievirus Infections
- Cytomegalovirus Infections
- Cytomegalovirus Retinitis
- Dengue
- Dengue Hemorrhagic Fever
- DNA Virus Infections
- Encephalitis
- Encephalitis, Herpes Simplex
- Encephalitis, Japanese
- Encephalitis, Tick-Borne
- Encephalomyelitis, Eastern Equine
- Encephalomyelitis, Equine
- Encephalomyelitis, Venezuelan Equine
- Encephalomyelitis, Western Equine
- Enterovirus Infections
- Epidermodysplasia Verruciformis
- Epstein-Barr Virus Infections
- Erythema Infectiosum
- Fatigue Syndrome, Chronic
- Flavivirus Infections
- Foot-and-Mouth Disease
- Hand, Foot and Mouth Disease
- Hantavirus Infections
- Hantavirus Pulmonary Syndrome
- Hemorrhagic Fever with Renal Syndrome
- Hemorrhagic Fever, Crimean
- Hemorrhagic Fever, Ebola
- Hemorrhagic Fevers, Viral
- Hepadnaviridae Infections
- Hepatitis A
- Hepatitis B
- Hepatitis B, Chronic
- Hepatitis C
- Hepatitis C, Chronic
- Hepatitis D
- Hepatitis D, Chronic
- Hepatitis E
- Hepatitis, Viral, Human
- Herpangina
- Herpes Genitalis
- Herpes Labialis
- Herpes Simplex
- Herpes Zoster
- Herpes Zoster Ophthalmicus
- Herpesviridae Infections
- HIV Enteropathy
- HIV Infections
- HIV Seropositivity
- HIV Wasting Syndrome
- HIV-Associated Lipodystrophy Syndrome
- HTLV-I Infections
- HTLV-II Infections
- Infectious Mononucleosis
- Influenza in Birds
- Influenza, Human
- Kaposi Varicelliform Eruption
- Keratitis, Herpetic
- Lassa Fever
- Lentivirus Infections
- Leukoencephalopathy, Progressive Multifocal
- Leukoplakia, Hairy
- Marburg Virus Disease
- Measles
- Meningitis, Aseptic
- Meningitis, Viral
- Molluscum Contagiosum
- Monkeypox
- Mumps
- Myelitis
- Newcastle Disease
- Opportunistic Infections
- Orthomyxoviridae Infections
- Papillomavirus Infections
- Paramyxoviridae Infections
- Paraparesis, Tropical Spastic
- Parvoviridae Infections
- Picornaviridae Infections
- Pneumonia, Viral
- Poliomyelitis
- Polyomavirus Infections
- Postpoliomyelitis Syndrome
- Poxviridae Infections
- Rabies
- Respiratory Syncytial Virus Infections
- Retroviridae Infections
- Rift Valley Fever
- RNA Virus Infections
- Rotavirus Infections
- Rubella
- Sarcoma, Kaposi
- Severe Acute Respiratory Syndrome
- Sexually Transmitted Diseases
- Sexually Transmitted Diseases, Viral
- Smallpox
- Stomatitis, Herpetic
- Tick-Borne Diseases
- Tumor Virus Infections
- Vaccinia
- Vesicular Stomatitis
- Viremia
- Warts
- West Nile Fever
- Yellow Fever