| MRBP | macrolide-resistant Bordetella pertussis |
| B. pertussis | Bordetella pertussis |
| TMP-SMZ | trimethoprim-sulfamethoxazole |
| PAH | pulmonary arterial hypertension |
| DTaP | diphtheria, tetanus, acellular pertussis |
| HR | heart rate |
| bpm | beats per minute |
| RR | respiratory rate |
| rpm | breaths per minute |
| WBC | white blood cell |
| CRP | C-reactive protein |
| NIV | non-invasive ventilation |
| PCR | polymerase chain reaction |
| ET | exchange transfusion |
| BAL | bronchoalveolar lavage |
| G6PD | glucose-6-phosphate dehydrogenase |
| SpO2 | peripheral oxygen saturation |
| ICU | intensive care unit |
| Tdap | tetanus, diphtheria, and acellular pertussis |
| DT | diphtheria-tetanus |
| PT | pertussis toxin |
| IL-8/IL-10 | interleukin-8/interleukin-10 |
| HPH | hypoxic pulmonary hypertension |
| t/mNGS | targeted/metagenomic next-generation sequencing |
| CRISPR/Cas | clustered regularly interspaced short palindromic repeats/CRISPR-associated |
| DIC | disseminated intravascular coagulation |
| ANC | absolute neutrophil count |