Terms of use and credits

Officer of Block 404 (demo edition)
© 2026 Louisa Sun

Licence

This tool is free to use for educational purposes, by arrangement with the author. Its teaching content is licensed under CC BY-NC-ND 4.0: it may be copied and shared unchanged, for non-commercial purposes and with credit to the author.

Author

Dr Louisa Sun, Division of Infectious Diseases, Alexandra Hospital, Singapore. The tool was produced independently and does not represent the views or policies of the institution.

Permission to use

Requests to use, host or adapt the tool are welcome at louisa.sun@nus.edu.sg.

Disclaimer

This tool is an educational simulation with a fictional setting, and it is not medical or public-health advice. Its model of the disease has been simplified for teaching and does not predict the course of a real outbreak. The demo's scenario, roost fever included, was invented for this edition.

Source code

AI-assisted production

Images

The images were generated with Google AI Studio at the direction of the author, who wrote the prompts and selected and edited the outputs. The images remain subject to Google's terms of service and may not be extracted from the tool or reused separately.

Sound

The sound effects are synthesised by the tool's code at the time of play, and no recorded audio is included.

Development

Parts of the source code were generated, refactored, debugged or modified with assistance from Claude Code by Anthropic. The output was reviewed and tested by the author.

These acknowledgements do not imply sponsorship, partnership or endorsement by Google or Anthropic.