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Immunization against COVID-19 can last for years, according to a study



Once a person develops immunity to COVID-19, it can last for years, a new study shows.

Promising research is following in the footsteps of news about two vaccines with potentially remarkable effective levels – all of which combine to give significant hope for overcoming the pandemic, experts say.

Researchers at the La Jolla Institute of Immunology in California found in a new study that eight months after the pandemic first surfaced in the country, most survivors still have enough immunity to fight another coronavirus attack – which shows so much a slow pace of decline in defense that could last for years, the New York Times reported Tuesday.

“This amount of [immune] memory is likely to prevent most people from getting a hospitalized illness, a serious illness, for many years, “said Dr. Shane Croty, co-author of the study, to the site.

The study ̵

1; published online, although yet to be reviewed – found that even those who survived the coronavirus but did not detect detectable levels of antibodies still formed protective immune cells.

So whether immunity is built against the virus in nature, even without significant antibodies, or is developed through a future vaccine, this protection seems to be there and lasting, the scientists said.

The study supports what previous research has shown so far, but adds the burden of being the longest and most comprehensive on the issue, the Times said.

Of the few study participants who did not appear to have developed immunity to COVID-19, this may have been because their exposure to it was limited, the researchers said.

The vaccine usually helps them.

Exposure seems to at least set the body up for “immune memory,” which means that its defense system must begin and significantly fight a second attack.

“It can be stopped quickly enough that not only do you not experience any symptoms, but you are not contagious,” study co-author Dr. Alessandro Sete told the Times.

Dr Deepta Bhattacharya of the University of Arizona added: “I don’t think it’s an unreasonable prediction to think that these components of immune memory will last for years.”

The study involved 185 people who developed a mild form of COVID-19.


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