Duh, the elderly have fewer antibodies to fight the corona virus

Suara.com – A new laboratory study from Oregon Health and Science University in the US shows that the elderly appear to have fewer antibodies to the new coronavirus.

The study was published in the Journal of the American Medical Association.

Reporting from Healthshots, antibodies are blood proteins made by the immune system to protect against infection. They are known to be key players in protection against SARS-CoV-2 infection.

“Our older population is potentially more susceptible to variants even if they are vaccinated,” said senior author Fikadu Tafesse, Ph.D., assistant professor of molecular microbiology and immunology at the OHSU School of Medicine.

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Tafesse and colleagues emphasize that although they measured a reduced antibody response in the elderly, the vaccine still appears to be quite effective at preventing infection and severe disease in most people of all ages.

Corona Virus Illustration. (Pixabay)

Vaccination reduces the spread of new and potentially more infectious viruses and variants, especially for the elderly who appear to be more susceptible to breakthrough infections.

“The more people are vaccinated, the less virus is circulating,” Tafesse said.

“Parents are not completely safe just because they are vaccinated; the people around them really need to be vaccinated too. Ultimately, this research really means that everyone needs to be vaccinated to protect society.”

The researchers measured the immune response in the blood of 50 people two weeks after the second dose of Pfizer’s vaccine against Covid-19.

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They grouped participants into age groups and then exposed their blood serum in test tubes to the original “wild-type” SARS-CoV-2 virus and its variant P.1 (also known as gamma) originating in Brazil.


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