Charalampos Papagoras, Nikoleta Zioga, Vasileios Papadopoulos, Nafsika Gerolymatou, Eleni Kalavri, Christos Bounos, Theodora Simopoulou, George E Fragoulis, Stylianos Panopoulos, Kalliopi Fragiadaki, Gerasimos Evangelatos, Vasiliki-Kalliopi Bournia, Aikaterini Arida, Anastasios Karamanakos, Maria Pappa, Evrydiki Kravvariti, Kleopatra Deftereou, Nikolaos Kougkas, Evangelia Zampeli, Evangelia Kataxaki, Konstantinos Melissaropoulos, Georgia Barouta, Alexandros Panagiotopoulos, Christos Koutsianas, Stamatis-Nick Liossis, Panagiotis Georgiou, Theodoros Dimitroulas, Maria G Tektonidou, Dimitrios P Bogdanos, Antonia Elezoglou, Paraskevi V Voulgari, Petros P Sfikakis, Dimitrios Vassilopoulos
INTRODUCTION: This study aimed to determine whether the introduction of anti-SARS-CoV-2 vaccines and the dominance of the omicron variant had a significant impact on the outcome of COVID-19 in patients with systemic autoimmune rheumatic diseases (SAIRDs). METHODS: Using data entered to the Greek Rheumatology Society COVID-19 registry, we investigated the incidence of hospitalization and death due to COVID-19, during the successive periods of the pandemic according to the prevalent strain (wild-type, Alpha, Delta, Omicron) in vaccinated and unvaccinated patients...
September 21, 2023: Clinical Rheumatology