Maugey Nancy, Lefebvre T, Tournier J-N, Neulat-Ripoll F, Chapus C, Grandperret V, Raynaud F, Letois F, Dutasta F, Janvier F, Wolf A, de Laval F. Vaccine efficacy against the SARS-CoV-2 Delta variant during a COVID-19 outbreak aboard a military ship. BMJ Military Health. 2024;170(1):91-92.