How does treatment for a bacterial infection differ from treatment for a virus?
you can treat bacterial infections, not viruses, with antibiotics.
you can treat viruses with antifungal medications.
you can treat viruses, not bacterial infections, with antibiotics.
there is no difference. you can treat both types of illnesses with antibiotics.

The answer is: you can treat bacterial infections, not viruses with antibiotics.

The use of antibiotics in viral infections is not effective and many organizations recommend the use of antibiotics only when there is a documented bacterial infection. The treatment of viral infections has been difficult for they are tiny and  replicate inside the cell. 

Are you asking about a street map usage  if so here is your answer  a street map for a very limited area could simply be a bit map or a .jpg image.  but a more general map would probably store the streets as vectors.  but you shouldn't assume that there is one way to do it