Still confused over Delta & Delta Plus? Get clarity from top Covid experts

The Delta variant, first detected in India, is now being reported in nearly 100 countries, which is likely an underestimate and the highly transmissible strain is expected to rapidly outcompete other variants and become dominant globally over the coming months, WHO had said. But what is Delta variant and are vaccines effective against it? Get answers from Niti Aayog's VK Paul and WHO's chief scientist Soumya Swaminathan. Watch the video.