Fig. 4From: Comparison and development of a metagenomic next-generation sequencing protocol for combined detection of DNA and RNA pathogens in cerebrospinal fluidGrading of five pretreatment / nucleic acid extraction methods. The total scores of microbial DNA, total DNA, total NA, total RNA and WTA were compared. The respective scores corresponding to four target pathogens were represented by respective colored columnsBack to article page