फलानि ग्रहचारेण सूचयन्ति मनीषिणः ।
को वक्ता तारतम्यस्य तमेकं वेधसं विना ॥
Kartheek Darbha takes a approach of computing and co-relating Lunar/ Moon Signs of Lunar years namely Vikari, Sarvari and Plava when the major pandemics happened. He finds similarities between Plague and COVID-19.