Large SARS-CoV-2 Outbreak Caused by Asymptomatic Traveler, China
Jianwen Liu, Jiaquan Huang, Dandan Xiang
Abstract
An asymptomatic person infected with severe acute respiratory syndrome coronavirus 2 returned to Heilongjiang Province, China, after international travel. The traveler's neighbor became infected and generated a cluster of >71 cases, including cases in 2 hospitals. Genome sequences of the virus were distinct from viral genomes previously circulating in China.
Topics & Concepts
OutbreakAsymptomaticSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2)VirologyChinaCoronavirus disease 2019 (COVID-19)Betacoronavirus2019-20 coronavirus outbreakCoronavirusPandemicVirusCluster (spacecraft)GenomeSars virusMedicineBiologyGeographyGeneticsGeneInternal medicineDiseaseInfectious disease (medical specialty)ArchaeologyProgramming languageComputer scienceSARS-CoV-2 and COVID-19 ResearchCOVID-19 epidemiological studiesSARS-CoV-2 detection and testing