The COVID-19 pandemic is spreading like a wildfire in India despite the lockdown and other containment measures in force in the country. What it is so? One possible reason is that many people infected by the novel coronavirus never show symptoms of the disease. And these asymptomatic people likely play a significant role in the spread of the COVID-19 disease say researchers. According to a study published in the journal Annals of Internal Medicine asymptomatic people may account for approximately 40 to 45 per cent of SARS-CoV-2 infections. The researchers cautioned that even though asymptomatic patients show no symptoms of