Nearly two years after Covid-19 was first detected in Wuhan, the world is still very much in a pandemic. The toughest phase may behind us, but we are still faced with the possibility of new variants of concern, waning immunity and vaccine evasion. As first-generation vaccines start to show their...

As the world tries to take a hold over the delta variant, we're all watching and waiting to see if the virus is going to evolve into something new. There are fears that natural selection could potentially yield a new variant that will completely escape all of our current vaccines. While these...