US researchers made the TB vaccine link after comparing data on Covid-19 mortality rates, but caution that the results are preliminary. Photo: Shutterstock

Tuberculosis vaccine may play role in reducing Covid-19 death rate, study says

  • US researchers compared data across the globe, finding places where people were inoculated against TB had lower mortality rates
  • Findings are preliminary, and it is not clear why, but they suggest BCG could ‘train’ a child’s innate immune response
Topic |   Coronavirus pandemic
US researchers made the TB vaccine link after comparing data on Covid-19 mortality rates, but caution that the results are preliminary. Photo: Shutterstock
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