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Over time, the protective power of a COVID-19 vaccination (or recovery) goes down. Could an antibody test tell you by how much?

Researchers from the University of Minnesota focused on the creation of memory B cells, which are vital to creating the antibodies needed to fight off the virus.

Joe. i don't think there is a yes or no answer there. antibodies, you can draw blood and you can look in the serum or the plasma. we do have in the body something a little more difficult and inconvenience to measure because there is more technology. memory b. cells that'll whine up making the antibodies. the antibody level links pretty well with the level of protection. regardless of what laboratory parameters you use, when you see people who have been vaccinated and you look over and see the level of protection starting to wane, that's the trigger for getting the booster. get it backup there ...

The team examined certain memory B cells from COVID-19 convalescent donors. Memory B cells are white blood cells that recognize and respond to pathogens that have tried to attack the body during a previous encounter.

Over a year into the pandemic, questions around immune responses after COVID continue to confound. One question many people are asking is whether the immunity you get from contracting COVID and recovering is enough to protect you in the future. The answer is no, it’s not. Here’s why. Remind me, how does our immune response work? Immune responses are innate or acquired. Innate, or short-term immunity, occurs when immune cells that are the body’s first line of defence are activated against a pathogen like a virus or bacteria. If the pathogen is able to cross the first line of defence, T-c...