In general we take vaccines because we believe in the science and trust the authorities in charge of administering them. Here's a good dashboard showing uptake

In general we take vaccines because we believe in the science and trust the authorities in charge of administering them. Here's a good dashboard showing uptake rates of childhood vaccines in the UK: https://app.powerbi.com/view?r=eyJrIjoiZTI3NWZhNzItMTIyZS00OWM2LTg0MzMtOGY5YTJjMGY0MjI1IiwidCI6IjUwZjYwNzFmLWJiZmUtNDAxYS04ODAzLTY3Mzc0OGU2MjllMiIsImMiOjh9 https://app.powerbi.com/view?r=eyJrIjoiZTI3NWZhNzItMTIyZS00O... If you have the keep a list of individuals like the Spanish are planning, it's a veiled threat based on the implicit acknowledgement that either the science or the administration are not being trusted. That's a different problem to work on which this registry will not solve.