Charles Darwin could have learned a thing or two about evolution from the SARS-CoV-2 virus.
As it has passed back and forth across the world over the past two years, the pandemic-causing virus has changed, sometimes bit by bit; in the case of the omicron variant, seemingly in many ways at one time.

COVID-19
Surviving The 2nd Wave of Corona
‘This too shall pass away’ this famous Persian adage seems to be defeating us again and again in the case of COVID-19. Despite every effort