A aids (aydz) noun a disease that causes the human immune system to break down and lower resistance to deadly diseases. it’s short for acquired immune deficiency syndrome. antiviral (an-tih-vye-ral) adjective capable of destroying or weakening a virus. —when birds get flu and cows go mad!, john diconsiglio in the sentence, "they used an antiviral injection to stop the spread of the virus," what does the word antiviral mean?
a. a disease caused by human immune system failure
b. a virus caused by human immune system failure
c. having the ability to kill or reduce the strength of a virus
d. being against the creation of viruses
