Higher frequency of comorbidities in fully vaccinated patients admitted to icu due to severe covid-19: a prospective, multicenter, observational study

The COVID-19 vaccination campaign in Spain began on 27 December 2020 [1]. To date, more than 36 million people have been fully vaccinated, with most of the population—namely 25.3 million people (69.1%) receiving BNT 162b2 (Pfizer/BioNTech) [1]. With respect to other vaccines and figures, 4.8 million (13.2%) people have received AZD1222 (Oxford/Astrazenca); 4.5 million (12.3%) mRNA-1273 (Moderna); and 2.0 million (5.4%) JNJ-78436735 (Janssen) [1]. The authors are indebted to Maria Arguimbau, Raquel Campo, Natalia Jarillo, Javier Munoz, Elisabeth Sancho and Manuel Sanchez for their extensive support in project management and article preparation.