An antigen is a molecule capable of stimulating an immune response in the body. Its presence determines a present infection.

Specificity of Antigen test is as high as 99.3% – 100% and if the result is positive antigen test there is no need to reconfirm with
RT PCR test.

Covid-19 Antigen test are recommended for people from containment zones, hot spots and hospitals

The test is also advisable for asymptomatic patients undergoing surgical procedures, dental treatment, intervention procedure like endoscopy and dialysis

Negative antigen test results for symptomatic patients with high fever, cough, sore throat needs to be reconfirmed with RT PCR test