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Vaccination against Covid-19 in a group of adults older than 75 years of age has shown that while they do produce antibodies in response, they differ from what is seen in younger people. That’s according to Sean Leng, a geriatrics …

How do vaccine responses compare among older and younger people? Elizabeth Tracey reports Read more »

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People older than 75 experience a robust antibody response to Covid vaccines but it fades quickly, research by Sean Leng, a geriatrics expert at Johns Hopkins, has shown.  Leng: Now the good news is when those same individuals got the …

Older adults may need Covid boosters more often, Elizabeth Tracey reports Read more »

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We know that Covid viruses bind to a cell surface protein known as ACE2, and that antibodies can block the virus at this location as well bind directly to the virus, so called neutralizing antibodies. Research by Johns Hopkins geriatrics …

Specific types of immune responses fade quickly in older people immunized against Covid-19, Elizabeth Tracey reports Read more »

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More than 300 people a day are still dying of Covid infection, the most recent data indicate, and the majority of them are older people. Sean Leng, a geriatrics expert at Johns Hopkins, says his recent study looking at how …

What are the dynamics of Covid vaccination in older adults? Elizabeth Tracey reports Read more »