Otieno, F. and Walekhwa, M. (2021) “COVID-19 Vaccines Confer a Prophylactic Effect on Common Cold”, Kabarak Journal of Research & Innovation, 11(3), pp. 251-256. Available at: http://ojs.kabarak.ac.ke/index.php/kjri/article/view/455 (Accessed: 24May2022).