___________________________  is an animal that carries a pathogen from one host to another without being infected itself.

Match the bacteria with it’s optimum growth pH name.

Which of the following are examples of degerming? (Select all that apply)

 ___________________________________is the number, or proportion, of individuals with a particular illness in a given population at a point in time.

Classify each item as a sign of symptom. 

Match the type of study with it’s BEST description 

Escherichia coli can double in as little as______________ under optimal growth conditions in the laboratory.

A _________________________ disease is either new to the human population or has shown an increase in prevalence in the previous twenty years.

We can easily observe different requirements for molecular oxygen by growing bacteria in thioglycolate tube cultures because… 

Match the mode of transmission with its BEST definition.