The term 'coronavirus' or 'COVID-19' becomes popular since past 1.5 yrs which is caused by SARS-CoV-2 has already been claimed over 3.5 million lives and even infected billions.
As per research has revealed a secret, presence of coronavirus nearly 20000 years ago and the region today known as East Asia.
The severity of this epidemic was strong enough to leave some imprints on the human genome and help to evolve.
This research has been published at scientific journal current biology which has been carried out by experts from the countries like Australia and United States.
By analysing the genomes, observe that these kind of genetic signals which indicates prior exposure were found in five population groups in China, Japan and Vietnam.