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COVID-19 vaccines have been instrumental in reducing the impact of the pandemic, preventing severe illness and death, and they appear to protect against long COVID. However, some individuals have reported chronic symptoms that developed soon after receiving a COVID-19 vaccine. This little-understood, persistent condition, referred to as post-vaccination syndrome (PVS), remains unrecognized by medical authorities, and little is known about its biological underpinnings.
In a new study, Yale researchers have taken initial steps to characterize this condition, uncovering potential immunological patterns that differentiate those with PVS from others. The findings are early and require further confirmation but may eventually guide strategies to help affected individuals.
“This work is still in its early stages, and we need to validate these findings,” said Akiko Iwasaki, Sterling Professor of Immunobiology at Yale School of Medicine (YSM) and co-senior author of the study published Feb. 19 as a preprint on MedRxiv. “But this is giving us some hope that there may be something that we can use for diagnosis and treatment of PVS down the road.”
Some of the most common chronic symptoms of PVS include exercise intolerance, excessive fatigue, brain fog, insomnia, and dizziness. They develop shortly after vaccination, within a day or two, can become more severe in the days that follow, and persist over time. More studies are needed to understand the prevalence of PVS.
When the researchers measured levels of SARS-CoV-2 spike protein — the part of the virus that enables it to penetrate and infect host cells and what COVID-19 vaccines use to trigger immune responses against the virus — they found that some individuals with PVS, even those without evidence for infection, had higher levels of spike protein than controls. Typically spike protein can be detected for a few days after vaccination, but some participants with PVS had detectable levels more than 700 days after their last vaccination. Persistent spike protein has been associated with long COVID as well.
redmanjp wrote:'Long vax'
https://news.yale.edu/2025/02/19/immune-markers-post-vaccination-syndrome-indicate-future-research-directionsCOVID-19 vaccines have been instrumental in reducing the impact of the pandemic, preventing severe illness and death, and they appear to protect against long COVID. However, some individuals have reported chronic symptoms that developed soon after receiving a COVID-19 vaccine. This little-understood, persistent condition, referred to as post-vaccination syndrome (PVS), remains unrecognized by medical authorities, and little is known about its biological underpinnings.
In a new study, Yale researchers have taken initial steps to characterize this condition, uncovering potential immunological patterns that differentiate those with PVS from others. The findings are early and require further confirmation but may eventually guide strategies to help affected individuals.
“This work is still in its early stages, and we need to validate these findings,” said Akiko Iwasaki, Sterling Professor of Immunobiology at Yale School of Medicine (YSM) and co-senior author of the study published Feb. 19 as a preprint on MedRxiv. “But this is giving us some hope that there may be something that we can use for diagnosis and treatment of PVS down the road.”
Some of the most common chronic symptoms of PVS include exercise intolerance, excessive fatigue, brain fog, insomnia, and dizziness. They develop shortly after vaccination, within a day or two, can become more severe in the days that follow, and persist over time. More studies are needed to understand the prevalence of PVS.When the researchers measured levels of SARS-CoV-2 spike protein — the part of the virus that enables it to penetrate and infect host cells and what COVID-19 vaccines use to trigger immune responses against the virus — they found that some individuals with PVS, even those without evidence for infection, had higher levels of spike protein than controls. Typically spike protein can be detected for a few days after vaccination, but some participants with PVS had detectable levels more than 700 days after their last vaccination. Persistent spike protein has been associated with long COVID as well.
Sumting that the masks can actually work forpaid_influencer wrote:i donno if this off topic, but maskers staying healthy while unmaskers getting sick rn.
saharan dust, virus, whatever, N95 doh discriminate. mask will filter it
paid_influencer wrote:i donno if this off topic, but maskers staying healthy while unmaskers getting sick rn.
saharan dust, virus, whatever, N95 doh discriminate. mask will filter it
paid_influencer wrote:i donno if this off topic, but maskers staying healthy while unmaskers getting sick rn.
saharan dust, virus, whatever, N95 doh discriminate. mask will filter it
sMASH wrote:Some people still want boosters , cause they don't want to admit they were fooled by the authority. they believed that their immune system doesn't work
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