Pragya D. Yadav (born July 1, 1978) is an Indian scientist at the ICMR-National Institute of Virology (NIV), who is known for her research contributions in the field of communicable diseases and highly pathogenic viral infections, such as Crimean–Congo hemorrhagic fever (CCHF), Nipah, Ebola, leading to improvising national public health surveillance policy for interventions and management. Yadav is among the scientists who detected the first three COVID-19 pandemic cases in India. She headed the team that developed Covaxin, the first indigenous COVID-19 vaccine in India