Counter reply in reference to ¿Prevalence of neutralizing antibodies against SARS-CoV-2 using a rapid serological test in health workers of a Spanish Department of Health in Alicante (Spain) before the booster dose of the vaccine¿ A.C. Montagud; J. Llenas-García; R. Moragues; A. Pérez-Bernabeu; M.J. Alcocer Pertegal; F.J. García Gómez; A.M. Gamayo Serna; H. García Morante; P. Caballero; J. Tuells;

The rights and interests of participants as limits to clinical trials Rafael Dal-Ré;

Impact of SARS-CoV-2 infection on perioperative mortality Blanca Ayuso García; Álvaro Marchán-López; Hugo Juan Castro Pousada; Eva Romay Lema; María José García-Pais; Juan Corredoira Sánchez; Pedro Peinó Camba; Yelco Chantres Legaspi; Rafael Monte Secades; Ramón Rabuñal Rey;