1. https://www.who.int/emergencies/diseases/novel-coronavirus-2019/question-and-answers-hub/q-a-detail/coronavirus-disease-covid-19#:~:text=symptoms
2. Force, A.D.T., Ranieri, V.M., Rubenfeld, G.D., Thompson, B., Ferguson, N., Caldwell, E.: Acute respiratory distress syndrome. JAMA 307(23), 2526–2533 (2012)
3. Sheikhzadeh, E., Eissa, S., Ismail, A., Zourob, M.: Diagnostic techniques for COVID-19 and new developments. Talanta, 121392 (2020)
4. Purohit, K., Kesarwani, A., Kisku, D. R., & Dalui, M. (2020). Covid-19 detection on chest x-ray and ct scan images using multi-image augmented deep learning model. BioRxiv.
5. Islam, M.Z., Islam, M.M., Asraf, A.: A combined deep CNN-LSTM network for the detection of novel coronavirus (COVID-19) using X-ray images. Inf. Med. 20, 100412 (2020)