Biosafety is a critical aspect of biopharmaceutical manufacturing, ensuring both product quality and safety. Every stage—from starting materials to unprocessed bulk testing and viral clearance—plays a vital role in maintaining product integrity. However, challenges such as cost, time constraints, and potential pitfalls can impact project success. This infographic traverses the biosafety testing journey - from cell bank testing to stability testing and storage - and offers key points to consider, key testing challenges, and strategic considerations to streamline each step of the biosafety testing journey.