1. Accuracy and Reliability: Proper preservation techniques prevent the degradation of samples, ensuring that the data derived from these samples is accurate and reliable. 2. Longevity of Samples: Long-term studies often require samples to be stored for extended periods. Effective preservation ensures that these samples remain viable over time. 3. Reproducibility: For scientific findings to be reproducible, the samples must be preserved in a way that allows other researchers to reanalyze them if necessary. 4. Public Health: In the context of an outbreak, preserved samples can be re-examined to identify the pathogen and understand its behavior, which is critical for public health responses.