The rise in fresh Covid-19 cases and the effective reproduction number — indication of how fast an infection spreads — in many states is worrying but don’t panic. Instead, mask up and get vaccinated, say experts, stressing that it is too early to declare the beginning of a new wave.

In fact, it could be that the second wave is not over, said scientists who have been closely monitoring India’s Covid-19 graph and have noted the surge in a few pockets.