Herd Immunity To COVID-19 Still A Long Way Off, Can Be Sped Up By Vaccine:WHO Chief Scientist Soumya Swaminathan

<strong>As humanity is working on a neck break speed to come out with a vaccine as a sure shot cure for the lethal Covid-19 pandemic, World Health Organisation (WHO) Chief Scientist Dr Soumya Swaminathan sent out an alarm bell of sorts to the global community stating that world is