Polymerase Chain Reaction (PCR) is widely used for detecting infectious agents such as viruses, bacteria, and parasites. Its high sensitivity allows early diagnosis, improving treatment outcomes and reducing the spread of diseases. During pandemics like COVID-19, PCR became the gold standard for accurate testing, underscoring its critical role in protecting public health. https://www.xelleratherapeutics.com/services/bioanalytical-testing/