Unfortunately, the expert thinks it will be hard to forecast how these new variants are going to behave.
Scientists have no way of knowing whether new variants will survive or react to vaccination – or just how quickly the majority of the world’s population will become vaccinated.
Consequently, Dr Mostowy fears the fourth wave of coronavirus infections is bound to strike in the autumn.
He said: “We don’t know if the new, known strains, such as the British one, will calm down in the summer – like a year ago.
“We have reasons to believe the pandemic will slow down in the summer but we cannot say this with any certainty.”