1. Zhang H, Penninger JM, Li Y, Zhong N, Slutsky AS. Angiotensin-converting enzyme 2 (ACE2) as a SARS CoV2 receptor: molecular mechanisms and potential therapeutic target. Intensive Care Med. 2020;46(4):586–90.
2. Jia HP, Look DC, Shi L, Hickey M, Pewe L, Netland J, et al. ACE2 receptor expression and severe acute respiratory syndrome coronavirus infection depend on differentiation of human airway epithelia. J Virol.2005;79(23):14614–21.
3. Wang D, Hu B, Hu C, Zhu F, Liu X, Zhang J, Wang B, Xiang H, Cheng Z, Xiong Y, Zhao Y ,Li Y, Wang X ,Peng Z(2020)Clinical characteristics of 138 hospitalized patients with 2019 novel coronavirus-infected pneumonia in Wuhan, China. JAMA 323: 1061–1069. https://doi.org/10.1001/jama.2020.1585 5. Zou L, Ruan F, HuangM,Liang L, Huang
4. H, Hong Z, Yu J, Kang M, Song Y, Xia J, Guo Q, Song T, He J, Yen HL, Peiris M, Wu J (2020) SARS-CoV-2 viral load in upper respiratory specimens of infected patients. N EnglJMed 382:1177–1179.https://doi.org/10. 1056/NEJMc2001737
5. Jean SS, Lee PI, Hsueh PR. Treatment options for COVID-19: the reality and challenges. J Microbiol Immunol Infect. 2020;53(3):436–43.
6. Praditya D, Kirchhoff L, Bru¨ning J, Rachmawati H, Steinmann J, Steinmann E. Anti-infective properties of the golden spice curcumin. Front Microbiol. 2019;10: 912.
7. Blumenthal M, Goldberg A, Brinckmann J. Eds. Herbal Medicine: Expanded Commission E Monographs. Austin, TX: American Botanical Council; Newton, MA: Integrative Medicine Communications. 2000
8. Chainani-Wu N. Safety and Anti-Inflammatory Activity of Curcumin: A Component of Turmeric (Curcuma longa).The Journal of Alternative and Complementary Medicine. Volume 9, Number 1, 2003, pp. 161–168.
9. Zorofchian S y cols. A Review on Antibacterial, Antiviral, and Antifungal Activity of Curcumin. BioMed Research International 2014, 1-12. 10. Wen C y cols. Specific Plant Terpenoids and Lignoids Possess Potent Antiviral Activities against Severe Acute Respiratory Syndrome Coronavirus. J. Med. Chem. 2007, 50, 4087-4095