The Difference Between PCR, Antigen and Antibody Tests

Not sure which coronavirus test you need? We’ve summed up all of your options below so you can easily choose the best test for you.

Not sure which coronavirus test you need? We’ve summed up all of your options below so you can easily choose the best test for you.

From 4th October 2021, the rules for international travel to England changed to a single red list of countries and simplified travel measures for arrivals from the rest of the world. The rules for travel from countries and territories not on the red list will depend on your vaccination status. Click here for more information.

Testing Options Travel Certificate Previous Infection Current Infection Inbound UK Travel
Day 2 Rapid Antigen Lateral Flow - Home Testing Kit for International Arrivals
Day 2 Rapid Antigen Lateral Flow - In-Store Test for International Arrivals
Coronavirus PCR - Day 2 - Urgent 5 Hour - Fully Vaccinated
Fit-To-Fly Rapid Antigen Lateral Flow Test - Home Testing Kit For Travel
Coronavirus PCR - Travel Certificate - Same Day* Results
Coronavirus PCR - Day 2 - Same Day* - Fully Vaccinated
Coronavirus PCR - Travel Certificate - Next Day Results
Coronavirus PCR - Day 2 & 8 - Non-Vaccinated
Coronavirus Vaccine & Immune Response - "Quantitative" Antibody Blood Test
Coronavirus PCR - Test to Release Day 5
Coronavirus PCR - Next Day Results
Coronavirus Rapid 15 Minute Antigen Test - Fit to fly
Coronavirus PCR - Travel Certificate - Urgent 5 Hour* Results
Coronavirus PCR - Day 2 - Next Day - Fully Vaccinated

In Summary

Not sure which coronavirus test you need? We’ve summed up all of your below, so you can easily find the right test for you.

If you want to know:
  • If you are carrying the virus
  • If you are going to be allowed to travel to many restricted countries.
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If you want to know:
  • If you or your team are infectious
  • If you need results quickly
  • If you are going to be allowed to travel to many restricted countries (always check the entry requirements for your destination)
Antigen Rapid Test
If you want to know:
  • If the fever and/or illness you had greater than 14 days ago — and months later — was likely to be COVID-19.
IgG Quantitative Antibody Test
If you have any questions or are still unsure about which Covid-19 test you need, please
call 0207 183 3718 or email us, and our friendly team will guide you through your options.

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