Adidja Amani, Andreas Ateke Njoh, Christian Mouangue, Cheuyem Lekeumo Fabrice Zobel, and Tatiana Mossus. “ Descriptive Assessment of COVID-19 Infection in Vaccinated Individuals”. HEALTH SCIENCES AND DISEASE 23, no. 8 (July 31, 2022). Accessed May 4, 2024. http://www.hsd-fmsb.org/index.php/hsd/article/view/3806.