Pung R, Chiew CJ, Young BE, Investigation of three clusters of COVID-19 in Singapore: implications for surveillance and response measures. Lancet. 2020;395(10229):1039–1046.
World Health Organization. Coronavirus Disease (COVID-2019) Situation Reports. Accessed April 2, 2020. https://www.who.int/emergencies/diseases/novel-coronavirus-2019/situation-reports
Zou L, Ruan F, Huang M, SARS-CoV-2 viral load in upper respiratory specimens of infected patients. N Engl J Med. 2020;382(12):1177–1179.
van Doremalen N, Bushmaker T, Morris DH, Aerosol and surface stability of SARS-CoV-2 as compared with SARS-CoV-1. N Engl J Med. Published online March 17, 2020. doi:10.1056/nejmc2004973
Europe’s doctors repeat errors made in Wuhan, China medics say. Bloomberg News. March 17, 2020. Accessed April 2, 2020. https://www.bloomberg.com/news/articles/2020-03-17/europe-s-doctors-getting-sick-like-in-wuhan-chinese-doctors-say
World Health Organization. Rational use of personal protective equipment (PPE) for coronavirus disease (COVID-19): interim guidance. March 19, 2020. Accessed April 2, 2020. https://apps.who.int/iris/handle/10665/331498
Ng K, Poon BH, Kiat Puar TH, COVID-19 and the risk to health care workers: a case report. Ann Intern Med. Published online March 16, 2020. doi:10.7326/L20-0175
Wang W, Xu Y, Gao R, Detection of SARS-CoV-2 in different types of clinical specimens. JAMA. Published online March 11, 2020. doi:10.1001/jama.2020.3786