This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
The most definitive method for laboratory diagnosis of poliomyelitis are A/E ? 
Select and explain. 
A. Virus isolation from blood, B. Virus isolation from CSF, C. Virus isolation from faeces or throat, D. Serological diagnosis
D: Serological diagnosis
Answer: D: Serological diagnosis 
Explanation: Ans. is di.e., Serological diagnosis Lab diagnosis of polio . 67rus isolation in tissue culture is the best method for specific diagnosis. . Specimens Blood, CSF, Throat swab, Feces . Primary monkey kidney cultures are used. Serodiagnosis is less often employed.