| CAP | community-acquired pneumonia |
| CAGR | compound annual growth rate |
| CDC | Centers for Disease Control and Prevention |
| CRISPR | clustered regularly interspaced short palindromic repeats |
| CT | computed tomography |
| LAMP | loop-mediated isothermal amplification |
| mNGS | metagenomic next-generation sequencing |
| MP | Mycoplasma pneumoniae |
| MPP | Mycoplasma pneumoniae pneumonia |
| NIH | National Institutes of Health |
| PCR | polymerase chain reaction |
| RMPP | refractory Mycoplasma pneumoniae pneumonia |
| RPA | recombinase polymerase amplification |
| RT-PCR | real-time polymerase chain reaction |
| TLS | total link strength |
| tNGS | targeted next-generation sequencing |
| WoSCC | Web of Science Core Collection |