This week I am flying from DTW, through AMS to Dusseldorf. When going through passport control in AMS to connect with my flight to Germany, are they asking for proof of vaccine status? Thanks
The Dutch government website is the best resource for up to date information. This page should help you https://www.government.nl/topics/coronavirus-covid-19/visiting-the-netherlands-from-abroad/checklist-transit-or-short-stay