Hetero, India’s leading pharmaceutical company with the widest global reach, today announced the receipt of World Health Organization Prequalification of Medicines Program (WHO PQ) approval for its generic version of COVID-19 oral antiviral treatment candidate nirmatrelvir. This is the first prequalification for a generic version of Pfizer’s COVID-19 oral antiviral drug ‘PAXLOVID’, which the WHO called, the best therapeutic choice for high-risk patients to date[1].