Public Education on Rapid Antigen Tests for COVID-19

Public Education on Rapid Antigen Tests for COVID-19

Rapid antigen tests cannot replace the nucleic acid test which is at present the gold standard for diagnosis of COVID-19. Notwithstanding its limitations, rapid antigen tests may play a role in facilitating access to testing and earlier detection in some people.

However, rapid antigen tests are known to have below limitations:

Users should pay attention to and follow the instructions from the manufacturer to perform the test and read the test result properly. Not following the instructions may generate invalid result. If in doubt, please seek advice from healthcare professionals.

Rapid antigen tests are safe if handled and used according to the instruction from manufacturer. However, chemicals contained in the solutions used in the test kits may be harmful if swallowed or absorbed inadvertently. Users should follow the instructions for use, including methods of use and disposal. Do not swallow the solutions and avoid eyes and skins contact. For accidental spillage, rinse with water. Wash hands thoroughly after using the rapid antigen tests. Tests on children should be performed with adult assistance. Test kits should be kept away from children and pets.

For those undergoing self-use rapid antigen tests:

Please refer to the following websites for more information:



* Healthcare professional users should take the Ct value of the testing samples into consideration when performing the test. In general, the sensitivity of rapid antigen test would be lower when the Ct value of the testing samples is high.