Book excerpt: We are now entering the third decade of the 21st century, and, especially in the last years, the achievements made by scientists have been exceptional, leading to major advancements in the rapidly growing fields of bioengineering and biotechnology. This annual collection, which highlights article submissions from our Editorial Board members, looks to explore new insights, novel developments, current challenges, latest discoveries, recent advances, and future perspectives in the field of Biosafety & Biosecurity.