The COVID-19Antigen Rapid Test Cassette (Saliva) is a lateral flow immunoassay intended for the qualitative detection SARS-CoV-2 nucleocapsid antigens in saliva from individuals who are suspecte of COVID-19 by their healthcare provider. There are single pack and 25pcs products (SOFTEC COVID-19 Antigen Rapid Test (Saliva)25pcs Pack). The price of the product is determined by the number of orders.