NO, you dont need to present a polio certificate at UK immigration
A resposta é do site link oficial:
Thank you for contacting the UK Visas and Immigration International enquiry service.
Based on your mentioned circumstances, you do not need to show your polio vaccination certificate to the UK Border Control.
For any further details, or should you need to contact us again please refer to our website at https://ukvi-international.faq-help.com/, select appropriate country, click next and then select “E-Mail form and complete as instructed. We will aim to come back to you within 1 day.
Kind regards,
Daranee
United Kingdom Visas and Immigration International Enquiry Service
Existem poucas embaixadas e consulados no Paquistão que ainda exigem o certificado de poliomielite no nível do aplicativo. Depois de obter um visto, geralmente a imigração não solicita o certificado de pólio quando você entra no país dele.