Dr Onyema Ogbuagbu, a Nigerian doctor, has been identified as a key figure in the research that led United States pharmaceutical company, Pfizer, to develop the first effective COVID-19 vaccine.…
- Saturday, December 2, 2023
Dr Onyema Ogbuagbu, a Nigerian doctor, has been identified as a key figure in the research that led United States pharmaceutical company, Pfizer, to develop the first effective COVID-19 vaccine.…