Microbiology 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 💡 Explanation Which of the following can be used for obtaining specimen for isolation of microorganism in laboratory diagnosis: ✓ Correct Answer: A. Meningococcal rash