We are witnessing natural selection taking place in real time, with the virus continually morphing into altered forms that the immune system is less prepared to fight.
We are witnessing natural selection taking place in real time, with the virus continually morphing into altered forms that the immune system is less prepared to fight.
This website, like most media sites, uses small files called cookies to anonymously customize the advertising that you see. Learn more about how we use cookies in our cookie policy.