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Nishiura H, Kobayashi T, Yang Y, et al. The rate of underascertainment of novel coronavirus (2019‐nCoV) infection: estimation using Japanese passengers data on evacuation flights. J Clin Med 2020; 9: 419.
-
PMC
-
PubMed
Bai Y, Yao L, Wei T et al. Presumed asymptomatic carrier transmission of COVID‐19. JAMA 2020; 323: 1406–1407.
-
PMC
-
PubMed
Dyer O. Covid‐19: US testing ramps up as early response draws harsh criticism. BMJ 2020; 368: m1167.
-
PubMed
MacIntyre CR. On a knife's edge of a COVID‐19 pandemic: is containment still possible? Public Health Res Pract. 2020; 10: 3012000.
-
PubMed
Kwon KT, Ko J‐H, Shin H, et al. Drive‐through screening center for COVID‐19: a safe and efficient screening system against massive community outbreak. J Korean Med Sci 2020; 35: e123.
-
PMC
-
PubMed