If a mosquito feeds on a bird that is infected with the West Nile Virus and then feeds on a human being who then contracts the virus, what role is the mosquito playing in the infection of the person?
Header
Header
The host
The pathogen
The vector
The parasite
The symbiotic

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.