COVID-19 pandemic has revealed a pressing need for an effective surveillance system to control the spread of infection. However. the existing systems are run by the people’s smartphones and without a strong participation from the people. the systems become ineffective. https://www.hindigyanvishv.com/hot-deal-Timothee-Chalamet-Cool-Blue-Collage-Men-s-Sports-Warmup-Hoodie-mega-find/