Effectiveness of the vaccine (Covaxin®) on different age groups of people: A pilot study Vivek Chauhan; Adrija Rakshit; Vivek Kumar Dhiman; Gaytri Mahajan; Akash Pnadey; Shamsher Singh Kanwar; Devendra Singh;

Third booster vaccination and stopping the Omicron, a new variant of concern Kiarash Ghazvini; Mohsen Karbalaei; Masoud Keikha;

Assessment of attitude and hesitancy toward vaccine against COVID-19 in a Pakistani population: A mix methods survey Z.A. Khan; R. Allana; I. Afzal; A.S. Ali; O. Mariam; R. Aslam; I.A. Shah; A. Allana; M.M. Haider; R. Jandani; Z. Khan; A.M. Siddiqui; J.A. Shah; U. Butt;