Safety and immunogenicity of heterologous COVID-19 vaccine regimens to deal with product shortage: A randomised clinical trial in an elderly population

por Kundro, M.A., Losso, M.H., Macchia, A., Pastor, I., Alonso Serena, M., Gestoso, C., Moreno Macías, L., Crupi, F., Acosta, M.C., Ivalo, S., Ghioldi, M., Bouzas, M.B., Mammana, L., Zapiola, I., Mazzitelli, I., Varese, A., Geffner, J., Biscayart, C., Angeleri, P., Lopez, E., Gentile, A., Ferrante, D., de Quiros, F. Gonzalez B.
Publicado 2022