Open Forum Infect Dis. 2020 Sep 13;7(10):ofaa430. doi: 10.1093/ofid/ofaa430. eCollection 2020 Oct.
Here we report a case study of a severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) outbreak event during bus trips of an index patient in Hunan Province, China. This retrospective investigation suggests potential airborne transmission of SARS-CoV-2 and the possibility of superspreading events in certain close contact and closed space settings, which should be taken into account when control strategies are planned.