National Security Advisor Ajit Doval has said that the "deliberate weaponization of dangerous pathogens" was a matter of serious concern, and called for the need to build comprehensive national capabilities and bio-defence, bio-safety, and bio-security. The pandemic has further reinforced the need to predict threats and while biological research has legitimate scientific purposes, its dual-use application can be misused, he said. Dwelling upon climate change, Doval said that it is another "threat" that multiplies with unpredictable consequences. Watch this report for more.