T cell – Anti-Empire

20 to 50 Percent Had Immunity to COVID Before They Ever Came in Contact With It

We Have Immune Systems, New York Times Reveals

Immunologists See Signs of Lasting Immunity to Covid-19, Even After Mild Infections

Common Cold Coronaviruses Help Build a Form of Immunity to Covid-19 Virus

The Fairy Tale of No Immunity: Why Everyone Was Wrong on Coronavirus

The Not-So-Novel Coronavirus: Half the Uninfected Population Is Possibly Already Partly Immune

People Who Have ”T Cells’ From Other Coronavirus Infections Are Resistant to COVID-19