[1]
T. Cavalcante, W. Barboza, and P. R. Martins-Filho, “The vaccination status of COVID-19 hospitalized patients during the Omicron BQ.1.1 wave in Northeast Brazil suggests the need for a fifth booster dose in the elderly, with a time since the last dose of more than 6 months ”, EXCLI J., vol. 22, pp. 169–172, Feb. 2023.