mNGS of BALF and blood samples
After enriching the sample, DNA extraction was performed using the Jian Shi Universal DNA Extraction Kit (item number: TR202JY-50). Next, follow the operating instructions of the Jinqirui Pathogenic Microbial Macrogenomic DNA Detection Kit (Reversible End Termination Sequencing, item number: KS619-DNAmN48) to construct the library.