Mumbai (Maharashtra): Bollywood actors Amitabh Bachchan and son Abhishek who were on Saturday admitted to a city hospital after testing positive for COVID-19 have undergone rapid antigen testing, Maharashtra Health Minister Rajesh Tope said on Saturday.Tope said that the test results of other members of the Bachchan family including Jaya Bachchan and Aishwarya Rai Bachchan, who were also tested for novel coronavirus will be out on Sunday.In a video message late on Saturday night, Tope wished a speedy recovery to father-son duo."Both Amitabh Bachchan and Abhishek Bachchan underwent Antigen test and they have tested positive for COVID-19.