Actor Amitabh Bachchan and son Abhishek Bachchan on Saturday said they have tested positive for coronavirus and have been taken to a hospital. "I have tested CoviD positive .. shifted to Hospital .. hospital informing authorities .. family and staff undergone tests , results awaited .. All that have been in close proximity to me in the last 10 days are requested to please get themselves tested !t," Amitabh Bachchan tweeted.