I
- IACUC (Institutional Animal Care and Use Committee)
- IBD (Inflammatory Bowel Disease)
- IC (Interstitial Cystitis)
- ICD-10-CM (ICD-10-CM International Classification of Disease, Tenth Revision,)
- ICD-10-CM International Classification of Disease, Tenth Revision, (ICD-10-CM)
- ICF (ICF - (International Classification of Functioning, Disability and Health))
- ICF - (International Classification of Functioning, Disability and Health) (ICF)
- IDSR (Integrated Disease Surveillance and Response)
- IEIP (International Emerging Infections Program)
- IFSAC (Interagency Food Safety Analytics Collaboration)
- Illicit Drug Use — see Persons Who Use Drugs
- Image Library, Public Health — see Public Health Image Library
- Immigrant, Refugee, and Migrant Health
- IMMPaCt (International Micronutrient Malnutrition Prevention and Control Program) — see Micronutrient Malnutrition
- Immune System and Multiple Vaccines
- Immunization
- Chickenpox Vaccination
- Global Vaccination
- Polio Vaccination [Poliomyelitis Vaccination]
- Immunization and Pregnancy — see Pregnancy and Vaccination
- Immunization and Respiratory Diseases, CDC National Center for
- Immunization Information Systems (IIS) — see Immunization Registries
- Immunization Practices, Advisory Committee on — see Advisory Committee on Immunization Practices
- Immunization Quality Improvement Strategy — see AFIX Immunization Strategy
- Immunization Registries [Immunization Information Systems (IIS)]
- Immunization Safety Office Scientific Agenda
- Immunization Schedules
- Immunization Works!
- Impetigo — see Group A Strep Infection
- Importation of Animals, Animal Products
- Import Permit Program (IPP)
- Improving Antimicrobial Use/Prescribing in Hospitals — see Antibiotic Stewardship
- Individualized Quality Control Plan (IQCP) [Quality Control]
- see also Clinical Laboratory Improvement Amendments (CLIA)
- Indoor Environmental Quality
- Industry and Occupation Coding
- Infant and Toddler Nutrition
- Infant Death — see Infant Mortality
- Infant Mortality
- Infants
- Infection Control
- Infectious Aerosols
- Infectious Diseases, CDC Deputy Director for
- Infectious Diseases Laboratory Test Directory
- Infectious Mononucleosis — see Epstein-Barr Virus Infection
- Infertility
- Infertility and STDs
- Inflammatory Bowel Disease (IBD)
- Influenza
- H1N1 Flu
- People at High Risk
- Seasonal Flu
- Swine Influenza
- Influenza, Avian — see Avian Influenza
- Influenza, International — see International Flu
- Influenza, Pandemic — see Pandemic Flu
- Influenza, Variant
- Influenza and Cancer — see Cancer and Flu
- Influenza in Pigs — see Swine Influenza
- Influenza Surveillance Data
- Influenza Vaccination
- Influenza Vaccination Coverage
- see also FluVaxView
- Influenza Versus Cold — see Cold Versus Flu
- Informatics and Data Science Workforce Programs (IDSWD)
- Informatics and Surveillance (DHIS) — see Division of Health Informatics and Surveillance
- Informatics Fellowship Program, Public Health — see Public Health Informatics Fellowship Program
- Information Quality
- Information Technology (IT)
- Injection Safety
- Injuries Among Older Adults
- Injury, Healthy Swimming and Recreational Water
- Injury, Safety, and Violence
- Injury Prevention
- Injury Statistics
- Innovation
- Insect Repellent Use and Safety (DEET)
- Insects and Scorpions
- Institutional Animal Care and Use Committee (IACUC)
- Institutional Review Boards [IRB]
- Insulin Resistance
- Insulin Sensitivity
- Integrated Disease Surveillance and Response (IDSR)
- Interagency Food Safety Analytics Collaboration (IFSAC)
- International Emerging Infections Program (IEIP)
- International Flu
- International Health — see Global Health
- International Micronutrient Malnutrition Prevention & Control Program (IMMPaCt) — see Micronutrient Malnutrition
- Interstitial Cystitis (IC)
- Intestinal Amebae Infection, Nonpathogenic — see Nonpathogenic (Harmless) Intestinal Protozoa
- Intimate Partner Violence
- Invasive Candidiasis
- In Vitro Fertilization (IVF) — see Assisted Reproductive Technology
- IPP (Import Permit Program)
- IPV — see Intimate Partner Violence
- IQCP (Individualized Quality Control Plan)
- IQCP (Laboratory Quality Control)
- IRB — see Institutional Review Boards
- Irradiation — see Food Irradiation
- Isocyanates
- Isolation and Quarantine — see Quarantine and Isolation
- Isospora Infection — see Cystoisospora Infection
- IT (Information Technology)
- IVF (In Vitro Fertilization)