Has the key to a coronavirus vaccine been staring us in the face for a century?

Summary:
I have a big scar on my left shoulder that has been there all my life, which came from a BCG injection. Why has Spain had almost 11,000 deaths from the coronavirus pandemic while Portugal’s death toll barely exceeds 200? Such a disparity in numbers within the Iberian peninsula is mysterious, but it could in part be explained by the two countries’ different use of a vaccine. Not a vaccine against COVID-19, the disease caused by the novel coronavirus – no such vaccine exists yet, rather it is the decades-old tuberculosis vaccine that seems to offer an explanation. A new scientific study has discovered a possible correlation between countries where it is mandatory to be vaccinated against tuberculosis, also called “Bacillus Calmette-Guerin” (BCG), and the impact of the new coronavirus.

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