Microbiology General f5d7c622 Which of the following can be used for obtaining specimen for isolation of microorganism in laboratory diagnosis: A Meningococcal rash B Blood in staphylococcal food poisoning C Throat swab in Rheumatic fever D Blood in post-streptococcal GN High-Yield Explanation Ans. is. a' i.e. Meningococcal rash