1. rGyud-bzhi (The Four Great Tantra) of Yuthog G: 4th Tantra, Chapter 26, Verse 171-175.
2. Man-nag-Lhan-thabs (Supplementary Sacred Medical Transmission) of Desi SG: Chapter 30 -47, Rin-gTer-sMan-yig gChes-bTus (Compendium on man-made epidemics and highly contagious diseases) of Kongtrul Y.G: Chapter 4-5, Page 238-240, gChes-bTus-Rinchen-Phren-ba (Compendium on aetiology and treatment of diseases) of Dilmar T.P: Chapter 25,26; Page 202-205, Man-nag-Je-ba-rin-sel (Compendium on Disease, aetiology and treatment) of Zurkhar N.D Chapter 10:221–227.
3. WHO Coronavirus Disease (COVID-19) Dashboard, 01/01/21.
4. Clinical features of patients infected with 2019 novel coronavirus in Wuhan, China;Huang;Lancet,2020
5. Meningitis as an Initial Presentation of COVID-19: A Case Report;Naz,2020