Practical Microbiology

PLEASE writer must HAVE UNDERSTANDING OF MICROBIOLOGY !!! It is suggested that laboratory diagnosis and management of infection relies upon culture for specific identification of the causative pathogen.    a)     Discuss the validity of this statement and comment on the reliability of such an approach for both bacterial and viral infection (70%). b)    Using bacterial or viral species as an example, describe ONE other context where culture of organisms might be useful? (20%) c)     Outline the principles of a technique that would be pertinent to the example given above in (b) (10%)     The word limit for this assignment is 1500 words. This includes all that which is within the body of the text, and figure or table legends, but excludes references, tables and title page.