In 2021, over 300 vials containing deadly viruses went missing from a lab in Queensland, Australia. These viruses are dangerous and have high mortality rates. It took nearly two years for the authorities to confirm the loss, and the public only learned about it this week.

The missing samples were kept in the Queensland Public Health Virology Laboratory. The trouble started when a freezer broke down sometime in 2021, causing the samples to become unaccounted for. While the issue was disco...