URL copied Image Source : PTI A possible third wave of coronavirus infection can hit its peak between October-November if Covid-appropriate behaviour is not followed. A possible third wave of coronavirus infection can hit its peak between October-November if Covid-appropriate behaviour is not followed, but it may see half the daily cases recorded during the second surge, said a scientist of a government panel tasked with modelling of COVID-19 cases. However, Covid infection can spread faster during the third wave if any new virulent variant of SARS-CoV-2 emerges, said Manindra Agarwal who is working with the Sutra Model-- the mathematical projection of the COVID-19 trajectory.