- A Polio-Free U.S. Thanks to Vaccine Efforts
- A Record 201 Cases of Acute Flaccid Myelitis in US
- abacavir
- abacavir and lamivudine
- abacavir, lamivudine, and zidovudine
- acetohydroxamic acid
- Acidophilus
- Acidophilus Extra Strength
- Acquired Immunodeficiency Syndrome
- Acute Flaccid Myelitis (AFM)
- Acute Flaccid Myelitis (AFM) Spreads to 90 Cases
- adefovir
- Adenovirus
- Adoxa
- Aerial Spraying For The Mosquito That Carries Zika
- AFM 'Season' Starts With 11 Cases, CDC
- AIDS Cure Possible, Top Scientists Say
- AIDS Patients Cite Stigma, Depression
- AIDS Vaccine Search
- AIDS Vaccine Soon?
- AIDS Vaccine Success Is 'Modest'
- Air Travelers in Denver, L.A. Warned About Measles
- Ala-Tet
- albendazole
- Albenza
- Alferon N
- Alodox
- Altabax
- AmBisome
- Amebiasis (Entamoeba histolytica Infection)
- American Ebola Patient Kent Brantly Improving
- American Ebola Patients Returning to the U.S.
- Americans Sickened by Deadly E coli in Germany
- amikacin
- Amikin
- Amikin Pediatric
- amoxicillin
- amoxicillin and clavulanate potassium
- amoxicillin, clarithromycin, and lansoprazole
- Amoxil
- Amoxil Pediatric Drops
- amphotericin B
- amphotericin B liposomal
- ampicillin
- ampicillin and sulbactam
- Ancef
- Ancobon
- anidulafungin (injection)
- Animals Get Coronavirus, Too
- Anthrax
- Anti-Herpes Drug May Help Control HIV, NIH Study
- Anti-HIV Therapy Protects Children's Hearts
- Anti-Parasite Drug Ivermectin Stunts COVID-19
- Anti-Reflux Drugs, Antibiotics May Raise C. diff Risk
- Antibiotic Ointments May Aid Spread of MRSA
- Antibiotic Overuse May Be Bad for Body's Good Bacteria
- Antibiotic Prescribing Down
- antibiotic resistance
- Antibiotic-Resistant 'Nightmare' Bacteria
- Antibiotic-Resistant Bacteria
- Antibiotic-Resistant Infections Doubled Since 2002
- Antibiotics
- Antibody Cocktail Reduces Developing COVID
- Antiminth
