Cachexia

Campylobacteriosis

Candidiasis

Canker Sore

Capsid

Cardiomyopathy

Cardiovascular

CARE Act

CCR5

CCR5 Antagonist

CCR5 Inhibitor

CCR5 Receptor Blocker

CD4 Cell

CD4 Cell Count

CD4 Cell Percentage

CD4 Count

CD4 Percentage

CD4 Receptor

CD4 T Lymphocyte

CD4 T Lymphocyte Count

CD4 T Lymphocyte Percentage

CD8 Cell

CD8 T Lymphocyte

CDC-INFO

Cell-Mediated Immunity

Cellular Immunity

Centers for Disease Control and Prevention (CDC)

Centers for Disease Control and Prevention-National Prevention Information Network (CDC-NPIN)

Centers for Medicare and Medicaid Services (CMS)

Central Nervous System (CNS)

Cerebrospinal Fluid (CSF)

Cervical Cancer

Cervix

Cesarean Delivery

Cesarean Section

Chagas Disease

Chancroid

Chemokine Receptor 4

Chemokine Receptor 5

Chemokines

Chemoprevention

Chemoprophylaxis

Chemotherapy

Child-Pugh Score

Child-Turcotte-Pugh Classification System

Chlamydia

Cholangiopathy

Cholesterol

Chromosome

Chronic HIV Infection

Chronic Inflammatory Demyelinating Polyneuropathy (CIDP)

Chronic Maintenance Therapy

Circumoral

Clade

Class-Sparing Regimen

Clastogenic

Clinical Alert

Clinical Endpoint

Clinical Failure

Clinical Latency

Clinical Progression

Clinical Trial

ClinicalTrials.gov

Cmax

Cmin

CMV Retinitis

Coagulopathy

Coccidioidomycosis

Cognitive Impairment

Cohort

Coinfection

Colitis

Combination Therapy

Combined Antiretroviral Therapy

Comfort Care

Common Logarithm

Communicable Disease

Community Programs for Clinical Research on AIDS (CPCRA)

Community-Based Organization (CBO)

Comorbid Condition

Comorbidity

Compassionate Use

Complementary and Alternative Medicine (CAM)

Complete Blood Count (CBC)

Comprehensive International Program of Research on AIDS (CIPRA)

Comprehensive Metabolic Panel (CMP)

Concentration

Concordant Couple

Condom

Condyloma Acuminatum

Conjunctivitis

Contagious

Contagious Disease

Contraindication

Control Arm

Controlled Trial

Coreceptor

Coronary Risk Profile

Cross Resistance

Cross Sensitivity

Cryoablation

Cryotherapy

Crypto

Cryptococcal Meningitis

Cryptococcosis

Cryptosporidiosis

Cryptosporidium

Crystalluria

C-Section

Cutaneous

CXCR4

CYP3A4

Cystoisosporiasis

Cytochrome P450 (CYP450)

Cytochrome P450 3A4

Cytokine

Cytomegalovirus (CMV)

Cytomegalovirus Retinitis

Cytopenia

Cytotoxic

Cytotoxic T Lymphocyte