Original sentence: The AIDS reappraisal movement (or AIDS dissident movement) is a loosely connected group of activists — journalists, scientists, doctors, HIV-positive persons, and concerned citizens — who deny, challenge, or question aspects of the scientific consensus that the human immunodeficiency virus (HIV) is the cause of acquired immune deficiency syndrome (AIDS)
Edited sentence: The AIDS reappraisal movement (or AIDS dissident movement) is a loosely connected group of activists — journalists, scientists, doctors, HIV-positive persons, and concerned citizens — who deny the veracity of, challenge, or question aspects of the scientific consensus that the human immunodeficiency virus (HIV) is the cause of acquired immune deficiency syndrome (AIDS)