A TB vaccine could work?

Can a century-old TB vaccine steel the immune system against the new coronavirus?

Researchers in four countries will soon start a clinical trial of an unorthodox approach to the new coronavirus. They will test whether a century-old vaccine against tuberculosis (TB), a bacterial disease, can rev up the human immune system in a broad way, allowing it to better fight the virus that causes COVID-19 and perhaps prevent infection with it altogether.

By Kenny

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