COVID-19(6) Coronavirus disease 2019(5) coronavirus disease(5) severity(5) severity of COVID-19(5) Altered(3) triglycerides(3) Pulmonary Surfactant(3) Infection(3) alteration(3) Particle(3) error rate(3) apoM(3) Triglyceride(3) the disease(3) mild symptoms(3) severe symptom(3) Hypothesis(3) with COVID-19(3) amyloid A(3) 95% confidence interval(3) Hospitalization(3) COVID-19 complications(3) serum amyloid(3) high-density(3) COVID-19 infection(3) SFTPB(3) inhibitor(3) displaying(3) Quantitative proteomics.(3)