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Themselves, they take up the nanopart. the particles get your cells to produce lots of spike protein, spiking the most toxic part of the virus. the immune cells rush into the lymph system and end up in the spleen, which is where you want them to be to produce the antibodies, that the goal. so they've designed it and they're very happy to see that they end up in the spleen making lots of spike protein, and then invoking an immune response that produces antibodies by the b cells. the problem is those centers in the spleen are the center place where parkinson's disease develops and probably many ...

>> if you get vaccinated with the moderna vaccine and then get boosted, you get a nice good level of protection with antibodies against the original covid virus strain. and also against the omicron strain. but what we see by six months is that those levels begin to fall. >> so he just gave that six-month sort of timeline here. should people expect to need another booster in six months? >> i don't think we know the answer to this yet. we definitely know that the first two doses are not enough. that you definitely have to get a third shot. so five months after you get pfizer or moderna or two mo...

Have two studies coming out in the last week that look at parts of the immune system that are much harder to study than simple antibody levels which you may know, you can look at just with a drop of blood. these studies looked at memory t and b cells and these are cells that once they encounter the infection, sort of go into hiding and if the infection comes out again they get super activated and start pumping out all kinds of things. what these studies showed is the memory cells that were induced by the vaccines were actually quite robust and good and gave a very good immune response to the n...

With the majority of the world population being either immunized against COVID-19 or having recovered from infection, people have rightly begun to ask: How long will the immunity provide immune protection?

Because COVID-19 is a relatively new virus, researchers still aren’t sure exactly how long vaccines and prior infections provide protection.