are the top news updates on the Covid-19 pandemic. West Bengal Chief Minister Mamata Banerjee said that instances of airborne infection and community spread had been seen in the state. Community transmission refers to the situation when the source of infection of a large number of cases cannot be traced. Meanwhile, a study suggested that the virus which causes the Covid illness can survive for up to 28 days on surfaces like currency, glass and steel. In international news, countries like the United Kingdom and France continue to struggle under fresh surges of infection. China's Qingdao announced citywide testing of its 90 lakh residents over 5 days amid a spike in cases. Watch the full video for the other updates regarding the spread of the Sars-CoV-2 coronavirus.
