The study participants continued to improve their antibodies months after initial infection, potentially due to exposure to the remnants of the virus hidden in the gut.
The New York Times
“It’s not particularly happy news,” said Michel Nussenzweig, an immunologist at Rockefeller University who was not involved in the new research. “But just knowing about it is good because then we can perhaps do something about it.”
Some people are unusually resilient to the coronavirus. Qian Zhang of the Casanova lab is one of the scientists searching in thier genes and blood in the hope of finding the pandemic's Achilles' heel.
Engineered viruses that don’t replicate provide a tractable model for scientists like Theodora Hatziioannou of the Bienaisz lab to safely study SARS-CoV-2, including research into vaccine efficacy and emerging variants.