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What Lateral Flow Test Results Mean

Cayman Islands Government
Published: October 29 2021
Last Updated: January 20, 2022

New ways of testing are now approved in the Cayman Islands' national protocols for screening of COVID-19. These include antigen-detecting rapid diagnostic or lateral flow tests (LFTs). PCR testing is still the gold-standard for clinical diagnostic detection but LFTs can successfully assist in quickly identifying positive cases, which means we can lower the impact of isolation of close contacts.

The below guidance details how you can properly understand the results of your test. Scroll down for more information.

You can also download the national policy:

Download National Policy

How To Use Lateral Flow Tests


For more guidance on how to use a lateral flow test, click here

What To Do If You test positive using a Lateral Flow Test

If you test positive on a Lateral Flow Test, you must isolate immediately and follow Public Health advice for reporting the positive result. This means using this form to report your positive test.

Report Your LFT Result

Public Health will advise when it is safe for you to be released from isolation. 

What To Do If You Are Positive, And Live With Others Who Are Vaccinated

Report your positive test here:

Report Your LFT Result

If the other members of your household are vaccinated, each person, including children, should conduct daily Lateral FlowTesting for ten days. Daily testing must continue until all positive cases in the household are cleared by PH.

If an individual receives a negative LFT result, that individual can attend school/work/other regular activities if daily test results continue to be negative.

If an individual receives a positive LFT result, that individual must: 

    • stay at home and 
    • contact Public Health immediately.

If an individual is unable to test, they are required to isolate for 9 days.

What To Do If You Are Positive, And Live With People Who Are Unvaccinated

If there are members of your household are not vaccinated, and they are 18 years of age or older, they are required to isolate for 9 days.

You must tell Public Health about this and Public Health will advise the date of the PCR test they must take. Public Health will also confirm final approval for release.

Unvaccinated children under 18 years old residing in the household can continue to go to school if daily LFT result is negative. Daily testing must continue until all positive cases in the household are cleared by PH.

Follow-up testing, using a PCR test may be conducted by the Public Health Department, but a positive or equivocal lateral flow test should be treated as indicating someone has a SARS-CoV-2 infection. 

What To Do If You Have a Negative Lateral Flow Test Result

You do not need to report a negative lateral flow test result unless you are in isolation or have been contacted by Public Health.

If you are contacted by Public Health and you and other household members are instructed to isolate, a negative lateral flow test cannot be used to override the Public Health instructions. You must do what they tell you to do.



Why Must I Report My Results?

You must use the form here to report your positive result, because SARS-CoV-2 (COVID-19) is what is known as a notifiable disease. This means it is required to be reported to the Medical Officer of Health as soon as someone is aware of a positive result or a potential case.  

Where employers introduce the reporting of results as part of their company policy, it is recommended that employers conduct a comprehensive assessment of any legal issues and ensure that the policy is carried out in a manner that is compliant with the Data Protection Act (2021) and its requirements for the storing and processing of sensitive personal data relating to the health of the employees.


Tags: LFT, General