garlichead
Über Member
Depends on how you define immunity. if it's antibodies in the blood then yes it wanes fairly quick, as it is suppose to, and the reason multiple extra jabs in the form of boosters is promoted. Antibodies from the original vaccinations or boosters basically coat cells so that the invading virus can't attach to the protein to begin with and you don't get infected, but with immune escape being very high in omicron is the reason it's been so transmissible allowing the vast majority of vaccinated people to be infected and also spread the infection.I suppose what isn't really clear is how much immunity wanes and over what time scale. In England, a 2nd booster (4th jab) has been rolled out for people over 75, residents in care homes and those with weakened immune systems. That doesn't include me - my 1st booster (3rd jab) was in mid-December. I think there is a watch and wait policy as to whether to roll out boosters to anyone else in the Autumn.
The other protection from either vaccination or natural immunity from the waning of antibodies that is long lasting, sometimes for a lifetime are the B cells and T cells, these are what are attributed to the mediation of hospitalization and death. Once vaccination wanes and leaves the cell exposed to infection and enters the cellular structure the B cells recognize and then start to produce new antibodies that then start to protect from the outside and when all else fails T cells from the adaptive immune system kicks in and they're sometimes called killer cells attacking the virus or they're helper cells supporting B cells role. The role of B cells and T cells for some reason have never been addressed in main stream media, which I always thought was a bit strange.
Basically Denmark has decided that because of the very poor efficacy the boosters offer in the form of antibodies and the fact that Omicron is less harmful that the average flu that the risk/reward benefit shows in favor of just living with the virus and with the extremely low death rate associated with Omicron that it was in the best interest of the population. Makes total scientific sense imo.
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