COVID-19 immunity

The creative class, the elites and the bobos, deep concentrated work, death and evolution, shopping, and of course, COVID-19
“I wear the chain I forged in life,” replied [Morley’s] Ghost. “I made it link by link, and yard by yard.” Our immune system, like those chains, contains our immunologic memories. Ferrets can teach us, that like Morley’s chains, our immunologic memory is forged by experience. Sometimes, a current viral illness may, later on, protect us from a similar viral infection; but we may not be as protected as we hope.
Is President Trump, Rudy Giuliani, or any other individual infected with COVID-19 susceptible to reinfection? While there are a few scattered reports, the real question is how much of our immune response persists. A new study provides updated information.