Question

All communicable diseases ________.

a. involve viruses as the pathogen
b. only occur in animals
c. are contagious
d. are caused by vectors
e. are caused by microorganisms or their products

Answer 1

Answer: Option C

Step-by-step explanation:

All the communicable diseases are contagious. They spread from one person to another person.

They are transmitted by the common routines that we do in our daily life like sharing some stuffs, sharing the towels, using smart phones of some other person, sneezing, coughing, et cetera.

These diseases are common cold, flu which is transferred from one person to another.