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 B. Ayuso-García; Á. Marchán-López; H.J. Castro Pousada; E. Romay Lema; M.J. García-Pais; J. Corredoira Sánchez; P. Peinó Camba; Y. Chantres Legaspi; R. Monte-Secades; R. Rabuñal Rey;