minty3 (2942557) writes "Scientists say they used the pandemic as a “natural experiment” to discover how the body’s immune system builds resistance to the flu. The research, published in the journal Nature Medicine, showed how certain immune cells helped some avoid the severe illness." Link to Original Source
Riches: A gift from Heaven signifying, "This is my beloved son, in whom I
am well pleased."
-- John D. Rockefeller, (slander by Ambrose Bierce)