The mysterious death of birds in different parts of the country has raised an alarm across the country. Thousands of chickens and ducks are being culled in the areas affected by H5N8 strain of Avian Influenza. But what exactly is bird flu? How does it spread? Can it infect humans? And should you be eating eggs & non-vegetarian food in light of the spread. Get all the answers on today's FYI with Sonal Mehrotra Kapoor.