References
[1] Epidemiology of COVID-19 in a Long-Term Care Facility in King
County, Washington. N Engl J Med. 2020 Mar 27. [Epub ahead of print]
[2] Gopalakrishna G, Choo P, Leo YS, Tay BK, Lim YT, Khan AS, Tan
CC. SARS Transmission and Hospital Containment. Emerg Infect Dis. 2004
Mar;10(3):395-400.
[3] Tan TT, Tan BH, Kurup A, Oon LLE, Heng D, Thoe SYS, Bai XL, Chan
KP, Ling AE. Atypical SARS and Escherichia coli Bacteremia. Emerg
Infect Dis. 2004 Feb;10(2):349-352.
[4] Ministry of Health, Singapore. Confirmed Imported Case of Novel
Coronavirus Infection in Singapore; Multi-Ministry Taskforce Ramps Up
Precautionary Measures. 2020 Jan 23.
https://www.moh.gov.sg/news-highlights/details/confirmed-imported-case-of-novel-coronavirus-infection-in-singapore-multi-ministry-taskforce-ramps-up-precautionary-measures
[5] Nishiura H, Kobayashi T, Suzuki A, Jung SM, Hayashi K, Kinoshita
R, Yang Y, Yuan B, Akhmetzhanov AR, Linton NM, Miyama T. Estimation of
the asymptomatic ratio of novel coronavirus infections (COVID-19). Int J
Infect Dis. 2020 Mar 13;S1201-9712(20)30139-9.