India has been witnessing a steady rise in Covid-19 cases for the last few days, leading to renewed anxiety among people. Hospitalisation numbers and deaths have also seen a slight increase. The test positivity rate has also been going up.

Meanwhile, scientists refer to this surge as "minor", saying such ebbs and flows are on the expected lines. But what is this new sub-variant which is leading to this surge? Are other parts of the world also experiencing a similar phenomenon? And what do common people need to do to keep the fresh fear at bay? Find answers to all these questions in the video explainer here.

The Wire is now on WhatsApp. Follow our channel for sharp analysis and opinions on the latest developments.