TY - JOUR T1 - COVID-19 vaccine and immune response A1 - Hintistan, Sevilay A1 - Demirag, Hatice Y1 - 2021/// KW - COVID-19 KW - vaccine KW - immune response JF - Exploration of Immunology VL - 1 IS - 5 SP - 341 EP - 355 DO - 10.37349/ei.2021.00023 UR - https://www.explorationpub.com/Journals/ei/Article/100323 N2 - Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2; βCoV), the causative agent of coronavirus disease 2019 (COVID-19), causes severe lower respiratory tract infections and acute respiratory failure syndrome (ARDS). Deaths due to the ongoing COVID-19 pandemic for more than a year are still seen worldwide. Therefore, vaccine trials have gained importance. The discovery of the genome and protein structure of SARS-CoV-2 in a short time allowed the development of nucleic acid-based vaccines (mRNA and DNA vaccines), vector vaccines, inactivated virus vaccines, protein-based vaccines, virus-like particle vaccines, and live attenuated virus vaccines. Many companies, universities, and institutes around the world continue to develop effective vaccines against SARS-CoV-2. In this review, the structural features, classification, genome, and intracellular entry of SARS-CoV-2 coronaviruses, stimulation of the immune system and immunity, COVID-19 vaccine types, and the latest status of clinical trials of these vaccines have been reviewed. ER -