1. CDC. Human Coronavirus 2020 [cited: 18.02.2021]. Available from URL: https://www.cdc.gov/-coronavirus/types.html.
2.
Shereen MA, Khan S, Kazmi A, et al. COVID-19 infection: origin, transmission, and characteristics of human coronaviruses. J Adv Res 2020; 24: 91–98.
3.
Rothe C, Schunk M, Sothmann P, et al. Transmission of 2019-nCoV infection from an asymptomatic contact in Germany. N Engl J Med 2020; 382(10): 970–971.
4.
Michelen M, Jones N, Stavropoulou C. In patients of COVID-19, what are the symptoms and clinical features of mild and moderate cases? CEBM [Internet] 2020 [cited: 18.02.2021]. Available from URL: https://www.cebm.net/covid-19/in-patients-of-covid-19-what-are-the-symptoms-and-clinical-features-of-mild-and-moderate-case/.
5.
People’s Republic of China. New coronavirus cases rise to 571 in Chinese mainland. National Health Commission of the People’s Republic of China Beijing (CHN); 2020 [cited: 18.02.2021]. Available from URL: http://en.nhc.gov.cn/2020-01/23/c_76004.htm.
6.
Guan W, Ni Z, Hu Y, et al. Clinical characteristics of coronavirus disease 2019 in China. N Engl J Med 2020; 382(18): 1708–1720.
7.
Wang W, Xu Y, Gao R, et al. Detection of SARS-CoV-2 in different types of clinical specimens. JAMA 2020; 323(18): 1843–1844.
8.
McIntosh K. Coronavirus disease 2019 (COVID-19): Epidemiology, virology, and prevention. UpToDate [Internet] 2021 [cited: 18.02.2021]. Available from URL: https://www.uptodate.com/contents/covid-19-epidemiology-virology-and-prevention.
9.
Corman VM, Landt O, Kaiser M, et al. Detection of 2019 novel coronavirus (2019-nCoV) by real-time RT-PCR. Euro Surveill 2020; 25(3): 2000045.
10.
Jiang R. Inside China and COVID-19: Questions and answers. Travel Med Infect Dis 2020; 34: 101640.
11.
Alhazmi A, Ali MHM, Mohieldin A, et al. Knowledge, attitudes and practices among people in Saudi Arabia regarding COVID-19: a cross-sectional study. J Public Health Res 2020; 9(3): 1867.
12.
Guo X, Wang J, Hu D, et al. Survey of COVID-19 disease among orthopaedic surgeons in Wuhan, People’s Republic of China. J Bone Joint Surg Am 2020; 102: 847–854.
13.
Karadaş Ö, Öztürk B, Sonkaya AR. A prospective clinical study of detailed neurological manifestations in patients with COVID-19. Neurol Sci 2020; 41(8): 1991–1995.
14.
Qiu H, Wu J, Hong L, et al. Clinical and epidemiological features of 36 children with coronavirus disease 2019 (COVID-19) in Zhejiang, China: an observational cohort study. Lancet Infect Dis 2020; 20(6): 689–696.
15.
Šljivo A, Kačamaković M, Quraishi I, et al. Fear and depression among residents of Bosnia and Herzegovina during COVID-19 outbreak-internet survey. Psychiatr Danub 2020; 32(2): 266–272.
16.
Ammar A, Brach M, Trabelsi K, et al. Effects of COVID-19 home confinement on eating behaviour and physical activity: results of the ECLB-COVID19 international online survey. Nutrients 2020; 12(6): 1583.
17.
Górnicka M, Drywień ME, Zielinska MA, et al. Dietary and lifestyle changes during COVID-19 and the subsequent lockdowns among Polish adults: a cross-sectional online survey PLifeCOVID-19 study. Nutrients 2020; 12(8): 2324.
18.
Bommele J, Hopman P, Walters BH, et al. The double-edged relationship between COVID-19 stress and smoking: implications for smoking cessation. Tob Induc Dis 2020; 18(63): 1–5.
19.
Haftom M, Petrucka P, Gemechu K, et al. Knowledge, attitudes, and practices towards COVID-19 pandemic among quarantined adults in Tigrai Region, Ethiopia. Infect Drug Resist 2020; 13: 3727.
20.
Rabbani U, Al Saigul AM. Knowledge, attitude and practices of health care workers about corona virus disease 2019 in Saudi Arabia. J Epidemiol Glob Health 2021; 11(1): 60–68.
21.
Azlan AA, Hamzah MR, Sern TJ, et al. Public knowledge, attitudes and practices towards COVID-19: a cross-sectional study in Malaysia. PLoS ONE 2020; 15(5): e0233668.
22.
Yue S, Zhang J, Cao M, et al. Knowledge, attitudes and practices of COVID-19 among urban and rural residents in China: a cross-sectional study. J Community Health 2020: 1–6, doi: 10.1007/s10900-020-00877-x.
23.
Ngwewondo A, Nkengazong L, Ambe LA, et al. Knowledge, attitudes, practices of/towards COVID 19 preventive measures and symptoms: a cross-sectional study during the exponential rise of the outbreak in Cameroon. PLoS Negl Trop Dis 2020; 14(9): e0008700.
24.
Wolf MS, Serper M, Opsasnick L, et al. Awareness, attitudes, and actions related to COVID-19 among adults with chronic conditions at the onset of the US outbreak: a cross-sectional survey. Ann Intern Med 2020; 173(2): 100–109.
25.
Siddiqui AA, Alshammary F, Amin J, et al. Knowledge and practice regarding prevention of COVID-19 among the Saudi Arabian population. Work 2020; 66(4): 767–775.
26.
Alqahtani JS, Oyelade T, Aldhahir AM, et al. Prevalence, severity and mortality associated with COPD and smoking in patients with COVID-19: a rapid systematic review and meta-analysis. PLoS ONE 2020; 15(5): e0233147.