Question

what is the important that we think of these category of infectious agent

Answer 1

It implies many important life process are similar in the bacteria group but are not shared with the virus group .As a result drugs that block one of these life processess in one member of the group is likely to be affective agents many other members of the group. But the same drug will not work against a microbe belonging to a different group.

Answer 2

Answer:

that these categories are important factors in deciding what kind of treatment to use. Members of each one of these groups – viruses, bacteria, and so on – have many biological characteristics in common.