Throughout the COVID-19 pandemic, there has been much uncertainty about how long immunity lasts after someone who is unvaccinated is infected with SARS-CoV-2. Now scientists have an answer. Strong protection following natural infection is short-lived.
The immune system’s double agents
A new study examined the development of a glioblastoma cancerous tumor in animal models with a normal immune system, in order to best simulate the development of the tumor in humans.
More memory B cells exist in those fully vaccinated with previous SARS-CoV-2 infection, study says
A new study shows differences in immune responses among those vaccinated, including the amount of memory B cells and their vaccine binding performance.
Details behind kidney transplant recipients’ immune response to the virus that causes COVID-19
A recent study examined the spectrum of antibody responses — including IgG, IgM, and IgA antibodies — in kidney transplant recipients infected with the virus that causes COVID-19. The antibody response to infection is delayed but preserved in kidney …
Cancer patients on chemotherapy likely not fully protected by COVID-19 vaccine, study finds
Researchers find lower immune response to COVID-19 vaccine for patients on chemotherapy; third dose of Pfizer-BioNTech vaccine boosts immune response.