In fact, says Chan, while safety rules are strict, more measures are taken to protect the bacteria from contamination than to protect the researchers from the bacteria.

事实上，正如陈汀峰教授所说，尽管有严格的安全措施，但将有更多的措施被用以保护细菌免受污染，而非保护研究人员免受细菌的侵犯。