Dynamics and Correlation Among Viral Positivity, Seroconversion, and Disease Severity in COVID-19
Fu Y, Li Y, Guo E, He L, Liu J, Yang B, Li F, Wang Z, Li Y, Xiao R, Liu C, Huang Y, Wu X, Lu F, You L, Qin T, Wang C, Li K, Wu P, Ma D, Sun C, Chen G. Dynamics and Correlation Among Viral Positivity, Seroconversion, and Disease Severity in COVID-19. Annals Of Internal Medicine 2020, 174: m20-3337. PMID: 33284684, PMCID: PMC7745119, DOI: 10.7326/m20-3337.Peer-Reviewed Original ResearchConceptsIndependent risk factorLaboratory-confirmed COVID-19Noncritically ill patientsViral positivityCritically ill patientsIll patientsDisease severityLow IgM titersRisk factorsViral polymerase chain reactionIgM titersCourse of coronavirus disease 2019Serum inflammatory markersIgM positive rateClinically diagnosed casesIgG positivity rateViral positivity rateMedian durationSpecialty care centersSeroconversion ratesAdult patientsInflammatory markersSevere acute respiratory syndrome coronavirus 2Acute respiratory syndrome coronavirus 2Polymerase chain reaction