Which statement best defines a communicable disease?

Which statement best defines a communicable disease?

• A. A disease that can be transmitted from one person to another through direct or indirect contact.
• B. A disease that only affects animals.
• C. A disease that cannot be transmitted between people.
• D. A disease that is always present in the community.

Answer: (A)

Communicable diseases are infections that can spread from one person to another. They move through direct contact, like touching or exchanging fluids, or through indirect routes, such as droplets from coughing or sneezing, sharing contaminated objects, or via vectors in some cases. Because it specifically involves transmission between people through direct or indirect contact, that description matches the concept best. The other ideas don’t fit: many diseases affect only animals, some diseases cannot spread between people, and being constantly present in a community isn’t what makes a disease communicable. In care settings, recognizing this helps guide practices like handwashing, covering coughs, cleaning surfaces, and keeping sick children at home to prevent spread.

Communicable diseases are infections that can spread from one person to another. They move through direct contact, like touching or exchanging fluids, or through indirect routes, such as droplets from coughing or sneezing, sharing contaminated objects, or via vectors in some cases. Because it specifically involves transmission between people through direct or indirect contact, that description matches the concept best. The other ideas don’t fit: many diseases affect only animals, some diseases cannot spread between people, and being constantly present in a community isn’t what makes a disease communicable. In care settings, recognizing this helps guide practices like handwashing, covering coughs, cleaning surfaces, and keeping sick children at home to prevent spread.