Yes, certainly, an antagonist can be a disease. A great example is the titular antagonist in The Andromeda Strain by Michael Crichton.
Yes, an antagonist can be a disease if it acts against the protagonist (person or organism) by causing harm or hindrance to their goals or well-being. Diseases can create conflict and obstacles in a storyline, making them a viable antagonist.
Medicine tha prevents disease is called vaccine as it creates immunity in your body. Curruently there are no medicines that "cure" the disease but it helps your immune system gain immunity. But, antibiotics do kill bacteria that cause disease so it can be seen as "curing" the disease.
antagonist
If antagonist did not want to harm protagonist, he wouldn't be antagonist. His opposition to protagonist is what makes him antagonist.
Antagonist or villain.
Cory is the antagonist.
who is the antagonist in sounder
Bryce is the antagonist.
Antagonist
The main charachter is usually reffered to as the protagonist(or the good guy) and the person that he/she conflicts with is usually refered to as the antagonist(or the bad guy).
A character who is opposed or competes the main character. * is called the antagonist while the main character is called the protagonist,
who is the antagonist in the story crispin
curley is the antagonist