Health
In mice, BCG-COVID vaccine works a treat, deepening the mystery of 100-year-old vaccine – Sydney Morning Herald
A vaccine based on a 100-year-old tuberculosis jab effectively prevents COVID-19 infection in mice – opening a unique path toward…

But in recent years, researchers have discovered an ancient property of the immune system: trained immunity. Much like hitting the gym builds strong muscles, it seems exposure to certain diseases can change the genes expressed by immune cells, potentially…
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