Not implausible at all. Mutation rate is proportional to the number of infected. Third world countries have barely even started vaccinating. There's a lot of room for nightmare scenarios.
Which is why I think it was a bone-headed move to not suspend patent protection on the vaccines. Thanks Bill Gates!
This. The Astra zenca vaccine, originally designed by the Oxford University, was supposed to be open licenced. But the gates foundation convinced them otherwise. The top priority should have been to get as many vaccine factories open as soon as possible but even functioning factories had trouble starting talks with bigshots like pfizer
Which is why I think it was a bone-headed move to not suspend patent protection on the vaccines. Thanks Bill Gates!