Some 89% of respondents said recent news that German hospitals were reaching numbers of patients not seen since the height of the pandemic in January 2021 would not have any effect on their decision-making.
The same number of people accused the media of "one-sided" reporting about the pandemic.
SPD, FDP, Greens unveil COVID response
What are the reasons for refusing vaccination?
Some of the reasons included the feeling that they were being coerced into doing so or a perceived lack of clarity over whether vaccines are safe for people who are pregnant or trying to conceive.
The biggest concern amongst the unvaccinated, at 34%, was what they called the lack of "long-term" studies into possible side effects.
Hundreds of millions of doses safely administered throughout the world in the last 18 months. Yet Germany still has one of the lowest vaccination rates in Europe, according to a new study by University of Oxford researchers.
Figures from the Robert Koch Institute for infectious diseases show 66.5% of Germans are fully vaccinated, compared to Portugal's 88% or Spain's 81%.