| Code | Description |
| Animal models are ineffective | Code used to determine all comments by interviewees that were stating that animal models are not an effective way for interpreting results for human health. |
| Animal models in COVID-19 | Code used to determine all comments by interviewees over the role of animal studies in the development of COVID-19 vaccines. |
| Alternatives in COVID-19 | Code used to determine all comments by interviewees over the role of animal studies in the development of COVID-19 vaccines. |
| Bureaucracy | Code used to determine all comments by interviewees that described bureaucracy in any form that was experienced or observed by the interviewees in the development process of vaccines. |
| Conservatism | Code used to determine all comments by interviewees on actors or views that were interpreted as conservative. |
| Economic reasoning | Code used to determine all comments by interviewees that hinted towards economic motives behind actions or views. |
| Ethics | Code used to determine all comments by interviewees that are about ethics, being it either animal ethics or human ethics. |
| Fear | Code used to determine all comments by interviewees that pointed at perceived fear by actors to instigate institutional work. |
| Gold standard | Code used to determine all comments by interviewees that referred to animal studies as the gold standard. |
| Hidden animal testing | Code used to determine all comments by interviewees that revealed animal tests that are conducted but which are often overlooked in the implementation of the 3R principle |
| Human relevant methods | Code used to determine all comments by interviewees towards alternatives that are implemented in medical sciences that are more human-relevant than the interpretation of animal studies. |
| Implementation 3R principle | Code used to determine all comments by interviewees that show any implementation of either replacement, reduction or refinement. |
| Progress in Non-Animal Methods | Code used to determine all comments by interviewees that provided information about the development, implementation and validation of non-animal alternatives. |
| Stakeholder funders | Code used to determine all comments by interviewees that related to institutional work performed by funders. |
| Stakeholder media | Code used to determine all comments by interviewees that related to institutional work performed by media. |
| Stakeholder pharmaceutical companies | Code used to determine all comments by interviewees that related to institutional work performed by vaccine developers. |
| Stakeholder politics | Code used to determine all comments by interviewees that related to institutional work performed by politics. |
| Stakeholder regulatory agencies | Code used to determine all comments by interviewees that related to institutional work performed by regulatory agencies. |
| Stakeholder science | Code used to determine all comments by interviewees that related to institutional work performed by science. |
| Stakeholder society | Code used to determine all comments by interviewees that related to institutional work performed by society. |
| The 3R Principle | Code used to determine all comments by interviewees that describe the 3R principle by Russell and Burch or derivatives of that. |
| The role of animal models in vaccine development | Code used to determine all comments by interviewees that show how, when, what, and why animal models are used in vaccine development. |
| Vaccine development process | Code used to determine all comments by interviewees that provided information of how the vaccine development process is structured. |