What is different between antigen test & swab test

3:24am PDT - July 12th, 2020    aishwarya rai bachchan - The Times of India

According to reports, the coronavirus antigen test of Amitabh’s wife and actress Jaya Bachchan, came out to be negative. However, Aishwarya Rai Bachchan and her daughter, Aaradhya Bachchan have tested positive for the contagion.