Broken bones and other injuries heal. And yet we still avoid them. Relying upon immune memory, the body’s…

Broken bones and other injuries heal. And yet we still avoid them. Relying upon immune memory, the body’s last line of defence, as society’s front-line of attack - it’s the Middle Ages. And Covid may trigger little immune memory, even damage the immune system. https://t.co/vsdZhrTSte