India, March 27 -- Lately, many people have been complaining about what feels like a new kind of flu - one that doctors often label as a viral infection, yet comes with symptoms that stubbornly refuse to go away. From a lingering cough that drags on for weeks to constant headaches and a general sense of discomfort, it can feel like the illness never truly leaves your body. This has left many wondering: is this a new virus, or something else entirely?

Dr Kunal Sood, an anaesthesiologist and interventional pain medicine physician, unpacks the real cause behind that lingering, flu-like illness that just won't seem to go away. In an Instagram video shared on March 27, he breaks down the symptoms and explains what's actually happening inside ...