Biggest International Certificate of Vaccination : College for Knowledge : 9783947982554 : 3947982550 : 16 Nov 2021 : This thick book can either list all the necessary vaccinations on hundreds of pages until we are finally safe and can meet again. Or - if you really don't believe in the pandemic risk of infection and don't want to have unknown and untested substances injected into your body - you can use this book for notes of all kinds. The thick book is, in any case, an eye-catcher: in the usual yellow and title page of a vaccination booklet, but nevertheless two centimeters thick. In other words, it's the thickest vaccination book ever. And it makes sense: if one vaccination does nothing, and the second does nothing, and the booster does nothing, so three times zero equals zero, then many, many vaccinations will probably help us to finally feel safe.