Hello, Greetings! I am bit confused on it that whether Omicron variant of Covid 19 is a friend or foe to us. A friend can mean due to decreased severity of Covud 19 or Delta virus in the enhanced survival benefit of human being. .A foe can mean due to its enhanced survival by increased soread aand immunoevasion acquired by covud ir Delta infection , by vaccinatiin, by antibody cocktail..so on. .A paracytic soeci can not survive or prosper without the survival of its hosts. Then, by Omicron variant, does it nean that covid 19 evolved to a more advanced new virgin in its survival benefit by also offering sutvival benifit to its host alongwith. Do most other viruses behaved in this manner? Just a logical view. Best wishes.