Certain traits that allow pathogens to create infection and cause disease are termed

a) virulence factors.
b) streptokinases.
c) hyaluronidases.
d) collagenases.

Prior knowledge can be gained from personal experience and a) forming well-developed hypotheses. b) listening to opinions of other people on a topic. c) researching previous experiments and results on a topic. eliminate d) no other methods. it can only be gained by personal experience.