What is a saliva antigen test kit?Saliva COVID-19 Antigen Detection Kit (Colloidal Gold) is a non-invasive test that collects saliva in a collection tube with extraction buffer. In this way, two drops of the sample are applied to the test cartridge by the field inspection method.

At present, few domestic companies have applied to the FDA for EUA of similar products. Aikang Bio was the first to obtain an EUA from the US FDA. A very important reason is that Aikang Bio has conducted a complete clinical trial in the United States.