Scientist bitten by mouse in Taipei lab before testing positive for Covid

I understood this happened in a P3 lab. I would have expected a P3 lab would have better procedures to avoid being bitten by an infected mouse, especially since some P3 labs host experiments with viruses sometimes much more dangerous than sars-CoV-2, and that would be a disaster if such a virus escaped... https://www.science.org/content/article/exclusive-controvers...