[1]Bai, Y., et al., Presumed Asymptomatic Carrier Transmission of COVID-19. JAMA, 2020. 323(14): p. 1406-1407.
[2]Phan, L.T., et al., Importation and Human-to-Human Transmission of aNovel Coronavirus in Vietnam. N Engl J Med, 2020. 382(9): p. 872-874.
[3]Kang, L., et al., The mental health of medical workers in Wuhan, Chinadealing with the 2019 novel coronavirus. Lancet Psychiatry, 2020. 7(3): p. e14.