Table 1.

Registered clinical trials in clinical ClinicalTrials.gov as of October 9, 2020 identified with “Covid19” and “BCG” search words, which examine acutely delivered BCG vaccination against Covid-19 morbidity and mortality. Only one (italic) was not placebo controlled. All placebo-controlled trials designate normal saline as placebo, and are described as single to quadruple blinded.

BCG Against Covid-19 for Prevention and Amelioration of Severity Trial (BAC to the PAST) https://ClinicalTrials.gov/show/NCT04534803

Reducing Health Care Workers Absenteeism in Covid-19 Pandemic Through BCG Vaccine https://ClinicalTrials.gov/show/NCT04328441

Performance Evaluation of BCG Vaccination in Healthcare Personnel to Reduce the Severity of… https://ClinicalTrials.gov/show/NCT04362124

BCG Vaccination for Healthcare Workers in COVID-19 Pandemic https://ClinicalTrials.gov/show/NCT04379336

Reducing COVID-19 Related Hospital Admission in Elderly by BCG Vaccination https://ClinicalTrials.gov/show/NCT04417335

Application of BCG Vaccine for Immune-prophylaxis Among Egyptian Healthcare Workers https://ClinicalTrials.gov/show/NCT04350931

Prevention Of Respiratory Tract Infection And Covid-19 Through BCG Vaccination In Vulnerable… https://ClinicalTrials.gov/show/NCT04537663

BCG Vaccine in Reducing Morbidity and Mortality in Elderly Individuals in COVID-19 Hotspots https://ClinicalTrials.gov/show/NCT04475302

Prevention, Efficacy and Safety of BCG Vaccine in COVID-19 Among Healthcare Workers https://ClinicalTrials.gov/show/NCT04461379

BCG Vaccination to Protect Healthcare Workers Against COVID-19 https://ClinicalTrials.gov/show/NCT04327206

COVID-19: BCG As Therapeutic Vaccine, Transmission Limitation, and Immunoglobulin… https://ClinicalTrials.gov/show/NCT04369794

Bacillus Calmette-guérin Vaccination to Prevent COVID-19 https://ClinicalTrials.gov/show/NCT04414267

Using BCG Vaccine to Protect Health Care Workers in the COVID-19 Pandemic https://ClinicalTrials.gov/show/NCT04373291

Using BCG to Protect Senior Citizens During the COVID-19 Pandemic https://ClinicalTrials.gov/show/NCT04542330

Efficacy of BCG Vaccination in the Prevention of COVID19 Via the Strengthening of Innate… https://ClinicalTrials.gov/show/NCT04384549

BCG Vaccine for Health Care Workers as Defense Against COVID 19 https://ClinicalTrials.gov/show/NCT04348370

Efficacy and Safety of VPM1002 in Reducing SARS-CoV-2 (COVID-19) Infection Rate and Severity https://ClinicalTrials.gov/show/NCT04439045

Study to Assess VPM1002 in Reducing Healthcare Professionals' Absenteeism in COVID-19… https://ClinicalTrials.gov/show/NCT04387409

Study to Assess VPM1002 in Reducing Hospital Admissions and/or Severe Respiratory Infectious https://ClinicalTrials.gov/show/NCT04435379