United Nations: India has cautioned over the “heightened” threat of misuse of biological agents and chemicals as weapons against the backdrop of the COVID-19 pandemic and called on the international community to address the rapid evolution of proliferation risks.United Nations: India has cautioned over the “heightened” threat of misuse of biological agents and chemicals as weapons against the backdrop of the COVID-19 pandemic and called on the international community to address the rapid evolution of proliferation risks.