You may need an International Certificate of Vaccination to prove you have been immunised, as some countries will not allow you entry unless you can produce one. Check with your practice nurse several months before you travel to see if you need the yellow fever vaccine. You will only be able to get it from your GP if they are a designated yellow fever centre - if not then you will have to see a private travel clinic. Since 2020 there have been some shortages of this vaccine, so allow plenty of time before you travel to get it sorted out.
This is a companion discussion topic for the original article at https://patient.info/travel-and-vaccinations/travel-vaccinations-leaflet/yellow-fever-vaccine