Choose one word that substitutes the highlighted words.

Covid 19 is a disease that spreads by contact. 

Contagious 

The word that best substitutes the highlighted words is contagious.

• Incurable means that a disease cannot be cured.
• Infectious means that a disease can be spread from one person to another.
• Contagious means that a disease can be spread through contact with an infected person or object.
• Fatal means that a disease can cause death.