A

• ABCs (Active Bacterial Core surveillance)
• Abdominal Aortic Aneurysm — see Aortic Aneurysm
• ABLES (Adult Blood Lead Epidemiology and Surveillance)
• Abortion Surveillance
• Abrasive Blasting
• Abuse, Child — see Child Maltreatment
• Abuse, Elder — see Elder Maltreatment
• AC (Hydrogen cyanide)
• Acanthamoeba Infection
• Accreditation — see Health Department Accreditation
• ACE (Adverse Childhood Experiences)
• ACES (Active Community Environments Initiative)
• Acinetobacter Infection
• ACIP (Advisory Committee on Immunization Practices)
• ACIP Recommendations
• Acquired Immune Deficiency Syndrome (AIDS) — see HIV/AIDS
• Acquired Immunodeficiency Syndrome (AIDS) — see HIV/AIDS
• Acrylamide
• Acrylonitrile
• Active Bacterial Core surveillance (ABCs)
• Active Community Environments Initiative (ACES)
• Adenovirus Infection
• Adenovirus Vaccination
• ADHD [Attention Deficit/Hyperactivity Disorder]
• Adolescent Health
• Adolescent Pregnancy — see Teen Pregnancy
• Adult Blood Lead Epidemiology and Surveillance (ABLES) — see Blood Lead Levels
• Adult Vaccinations
• Advancing Excellence & Integrity of CDC Science — see Science
• Adverse Childhood Experiences (ACE)
• Adverse Drug Events — see Medication Safety
• Adverse Events Following Immunization — see Vaccine Adverse Event Reporting System
• Advisory Committee on Immunization Practices (ACIP)
• Aerosols
• AFIX Immunization Strategy
• African Trypanosomiasis — see Sleeping Sickness
• Agents, Chemical — see Chemical Agents
• Aging
• Agricultural Safety — see Farm Worker Injuries
• Agriculture
• see also Farm Worker Injuries
• AIDS (Acquired Immune Deficiency Syndrome)
• AIDS (Acquired Immunodeficiency Syndrome)
• Air Pollution and Respiratory Health
• Air Quality
• Alcohol
• Alcohol Screening and Brief Intervention
• ALS [Amyotrophic Lateral Sclerosis]
• Alzheimer's Disease
• Amebiasis, Intestinal [Entamoeba histolytica infection]
• American Indian and Alaska Native Vaccination
• American Trypanosomiasis — see Chagas Disease
• Ammonia
• Amphibians and Fish, Infections from — see Fish and Amphibians, Infections from
• Amyotrophic Lateral Sclerosis — see ALS
• Anaplasmosis, Human
• Ancylostoma duodenale Infection, Necator americanus Infection — see Human Hookworm
• Anemia
• Angiostrongylus Infection
• Animal Importation — see Importation, Animal
• Animal Products, Importing
• Animal Welfare
• Animal-Related Diseases
• Anisakiasis — see Anisakis Infection
• Anisakis Infection [Anisakiasis]
• Anthrax
• Anthrax Emergency Vaccination
• Anthropometry
• Antibiotic and Antimicrobial Resistance
• Antibiotic Use, Appropriate
• Antimony
• Antineoplastic Agents
• Aortic Aneurysm
• Aortic Dissection — see Aortic Aneurysm
• Applied Epidemiology Fellowship, The CDC Experience — see CDC Experience Applied Epidemiology Fellowship, The
• Arenavirus Infection
• ARRA — see Recovery Act
• Arsenic
• Arsine
• ART (Assisted Reproductive Technology)
• Arthritis
• Childhood Arthritis
• Fibromyalgia
• Gout
• Lupus (SLE) [Systemic lupus erythematosus]
• Osteoarthritis (OA)
• Rheumatoid Arthritis (RA)
• Asbestos
• Ascariasis — see Ascaris Infection
• Ascaris Infection [Ascariasis]
• ASDs (Autism and Genetics)
• Aseptic Meningitis — see Viral Meningitis
• Aspergillosis — see Aspergillus Infection
• Aspergillus Infection [Aspergillosis]
• Asphalt Fumes
• Assisted Reproductive Technology (ART)
• Assurance of Confidentiality — see Certificate of Confidentiality
• Asthma
• Asthma and Influenza
• see also Influenza
• Attention Deficit/Hyperactivity Disorder — see ADHD
• Autism
• Autism and Genetics (ASDs) [autism spectrum disorders]
• see also Autism
• see also Genetics and Genomics
• Autism and Thimerosal — see Thimerosal (Mercury) and Vaccines
• autism spectrum disorders — see Autism and Genetics
• Avian Influenza
• Aviation in Alaska, Commercial