1. Microbiology: An Introduction;Tortora,2020
2. Roitt's Essential Immunology;Delves,2017
3. Microbiology: a clinical approach;Strelkauskas,2015
4. COVID-19 vaccines: the status and perspectives in delivery points of view;Chung;Adv Drug Deliv Rev,2021
5. Insight into COVID-19’s epidemiology, pathology, and treatment;Aimrane;Heliyon,2022