2024
BCG vaccination of healthcare workers for protection against COVID-19: 12-month outcomes from an international randomised controlled trial
Messina N, Pittet L, McDonald E, Moore C, Barry S, Bonten M, Byrne A, Campbell J, Croda J, Croda M, Dalcolmo M, de Almeida e Val F, de Oliveira R, dos Santos G, Douglas M, Gardiner K, Gwee A, Jardim B, Kollmann T, Lacerda M, Lucas M, Lynn D, Manning L, Marshall H, O’Connell A, Perrett K, Post J, Prat-Aymerich C, Rocha J, Rodriguez-Baño J, Wadia U, Warris A, Davidson A, Curtis N, Group T. BCG vaccination of healthcare workers for protection against COVID-19: 12-month outcomes from an international randomised controlled trial. Journal Of Infection 2024, 89: 106245. PMID: 39127450, PMCID: PMC11409612, DOI: 10.1016/j.jinf.2024.106245.Peer-Reviewed Original ResearchConceptsBacille Calmette-GuerinBreakthrough COVID-19Healthcare workersSevere COVID-19Risk of severe COVID-19Placebo groupSymptomatic COVID-19BCG-DenmarkRisk of symptomatic COVID-19International randomised controlled trialRandomised controlled trialsBacille Calmette-Guerin vaccineVaccination of healthcare workersHealthcare centresSARS-CoV-2 testingAsymptomatic SARS-CoV-2 infectionRandomised 1:1SARS-CoV-2 infectionCOVID-19MITT populationControlled trialsHealthcareIntradermal doseModified intentionImmunomodulatory effectsEffect of BCG vaccination against Mycobacterium tuberculosis infection in adult Brazilian health-care workers: a nested clinical trial
dos Santos P, Messina N, de Oliveira R, da Silva P, Puga M, Dalcolmo M, dos Santos G, de Lacerda M, Jardim B, de Almeida e Val F, Curtis N, Andrews J, Croda J. Effect of BCG vaccination against Mycobacterium tuberculosis infection in adult Brazilian health-care workers: a nested clinical trial. The Lancet Infectious Diseases 2024, 24: 594-601. PMID: 38423021, PMCID: PMC11111441, DOI: 10.1016/s1473-3099(23)00818-6.Peer-Reviewed Original ResearchConceptsQuantiFERON-TB GoldPlacebo groupEffect of BCG vaccinationBCG vaccinationBCG groupBCG-DenmarkHealth-care workersNegative baseline resultsMonths of treatmentMycobacterium tuberculosis infectionAdult pulmonary tuberculosisQuantiFERON-TBMedian ageRandomised controlled trialsPulmonary tuberculosisNo significant differenceEfficacy outcomesTuberculosis infectionClinical trialsControlled trialsEffect of vaccinationTreatment drugsTuberculosis preventionSubstudySignificant difference
2023
Randomized Trial of BCG Vaccine to Protect against Covid-19 in Health Care Workers
Pittet L, Messina N, Orsini F, Moore C, Abruzzo V, Barry S, Bonnici R, Bonten M, Campbell J, Croda J, Dalcolmo M, Gardiner K, Gell G, Germano S, Gomes-Silva A, Goodall C, Gwee A, Jamieson T, Jardim B, Kollman T, Lacerda M, Lee K, Lucas M, Lynn D, Manning L, Marshall H, McDonald E, Munns C, Nicholson S, O’Connell A, de Oliveira R, Perlen S, Perrett K, Prat-Aymerich C, Richmond P, Rodriguez-Baño J, dos Santos G, da Silva P, Teo J, Villanueva P, Warris A, Wood N, Davidson A, Curtis N. Randomized Trial of BCG Vaccine to Protect against Covid-19 in Health Care Workers. New England Journal Of Medicine 2023, 388: 1582-1596. PMID: 37099341, PMCID: PMC10497190, DOI: 10.1056/nejmoa2212616.Peer-Reviewed Original ResearchConceptsBacille Calmette-GuerinModified intention-to-treat populationIntention-to-treat populationSevere COVID-19Placebo groupSymptomatic COVID-19Health care workersBCG-DenmarkPlacebo-controlled trialCare workersRisk of severe COVID-19Double-blindSaline placeboRisk of symptomatic COVID-19Severe acute respiratory syndrome coronavirus 2Acute respiratory syndrome coronavirus 2Negative testRandomized trialsRespiratory syndrome coronavirus 2Hazard ratioPrimary outcomeBCG vaccinationTrial definitionSyndrome coronavirus 2Risk difference