A
- AIDS
- Actinomycosis
- Acute cystitis
- Acute nonbacterial gastroenteritis
- Acute sinusitis
- ADC
- Adenovirus infection
- AIDS dementia complex
- AIDS encephalopathy
- AIDS-related dementia
- Allergic bronchopulmonary aspergillosis
- Amebiasis
- Amoebic dysentery
- AN
- Anaphylactoid purpura
- Anogenital wart
- Acquired Immune Deficiency Syndrome
- Anterior uveitis
- ARD
- Ascariasis
- Aseptic meningitis
- Aspergillosis
- Athlete's foot
- Auditory dyssynchrony
- Auditory neuropathy
- Auditory processing disorder
- Auditory synaptopothy
- Avian influenza
C
- Caliciviruses
- Candida vulvovaginitis
- Candidiasis
- Cane-cutter fever
- Canicola fever
- Canker sore
- Cat scratch fever
- Chickenpox
- Chlamydia
- Chronic sinusitis
- CJD
- CMV infection
- Cold sores
- Colitis, ulcerative
- Colorado tick fever
- Community-acquired pneumonia
- Condyloma acuminata
- Congenital kyphosis
- Congenital rubella syndrome
- Congenital syphilis
- Conjunctivitis
- Crab lice
- Creutzfeldt-Jakob disease
- CRS
- Cryptosporidiosis
- CTF
- Cystitis
- Cytomegalovirus
H
- H. pylori infection
- H1N1 Infection
- H1N1flu
- H5N1 Infection
- Hand, foot, and mouth disease
- Hantavirus infection
- Hantavirus pulmonary syndrome
- Head lice
- Heliobacter pylori infection
- Hemorrhagic jaundice
- Hep A
- Hep B
- Hep C
- Hepatitis A
- Hepatitis B
- Hepatitis C
- Herpes genitalis
- Herpes labialis
- Herpes simplex virus—cold sores
- Herpes simplex virus—genital herpes
- Herpes simplex, genital
- Herpes stomatitis
- Herpes zoster
- Herpes, genital
- Histoplasmosis
- HIV
- HIV encephalopathy
- HIV-associated cognitive/motor complex
- HIV-associated dementia complex
- HIV-associated encephalopathy (HAE)
- HPV
- Human Immunodeficiency Virus
- Human papillomavirus
- Human swine flu
- Hunchback
P
- Pandemic (H1N1) flu
- Parrot fever
- Parvovirus B19
- PCP
- Penile warts
- Peritonsillar abscess
- Pharyngeal plague
- Pig flu
- Pink eye
- Pinworm
- Pityriasis versicolor
- Plague
- Pneumonic plague
- Polio
- Poliomyelitis
- Positional vertigo of barany
- Post-herpetic neuralgia
- Pneumocystis carinii pneumonia
- Postural kyphosis
- Primary lymphedema
- Psittacosis
- Pubic lice
- Pyogenic arthritis
S
- Salmonella
- Sarcoidosis
- SARS
- Scheuermann's kyphosis
- Seconary lymphedema
- Sepsis, neonatal
- Septic arthritis
- Septic shock
- Septicemic plague
- Severe acute respiratory syndrome
- Scabies
- Scarlatina
- Scarlet fever
- Shingles
- Slapped cheek disease
- Small round structure viruses
- Smallpox
- SMRV
- St. Louis encephalitis
- Staph infection
- Staphylococcus aureus infection
- Stomach flu (norviruses)
- Stomach flu (viral gastroenteritis)
- Strep throat
- Stuttgart disease
- Swamp fever
- Swine flu
- Swine influenza
- Syphilis
- Swineherd's disease