Deep Inder, D.I., Md. Faiz Akram, Seema Manak and Pawan Kumar 2022. Estimating the prevalence of adverse effects following immunization (AEFI) with Covid-19 vaccination and to determine association of AEFI with blood grouping among population of south-west Delhi, India: A descriptive cross-sectional study.: To estimate prevalence of adverse effects following Covid-19 vaccination and their association with ABO-Rh blood grouping if any. International Journal of Research in Pharmacology & Pharmacotherapeutics. 11, 3 (Sep. 2022), 135-140. DOI:https://doi.org/10.61096/ijrpp.v11.iss3.2022.135-140.