COVID-19 rapidly increases senescent and exhausted T cells, particularly CD4 and CD8 T cells.
Both mild and severe COVID-19 cases showed increased markers of T-cell exhaustion and senescence with more pronounced changes in severe cases.
“Immune Parallels: HIV/AIDS & Long COVID’s Lasting Impact
HIV/AIDS & COVID-19, particularly long COVID, share several significant similarities, especially in terms of viral persistence, T cell damage, immune system dysfunction, & activation of other pathogens. These parallels are important for understanding the long-term effects of both infections and their impact on the immune system…” A thread:
Your immune system is a factory 🧵
T-cells are the essential workers.
SARS-CoV-2 -19 is a hacker that doesn't just disrupt operations from the outside.
It infiltrates the system and systematically lays off the workers (T-cells).
T cell exhaustion in #MECFS & #LongCovid from predominant sympathetic state & the T cells engage the sympathetic fibers & adrenergic signaling decreases their effector function. Sympathetic nerves suppress T-cell responses in infection and in cancer
Excellent explanation of mechanism discussed in recent SarsCov2 causing AIDS paper.
“So, to recap: Researchers identified two genotypes of the SARS-CoV-2 nucleocapsid protein that are able to use CD147 on host lymphocytes to infect those cells, and explain how that could contribute to immune deficiency and viral persistence (by citing independent research).”
Case Study update: Update. 8 weeks since this patient's mild COVID infection. CD4 down 21 to 276. CD4/CD8 ratio down to 0.8. No idea the frequency and duration of this in the general population. All I can say is this is not the only patient I've seen this in.
Case Study: 62 healthy, HIV neg. COVID 3/28/23 fully vaccinated, mild symptoms which resolved within a week. Since then 2 cases of shingles, sinusitis and periorbital cellulitis. CD4 297. <200 is AIDS It's not every patient or every infection but it's more common than people want to believe
Omicron SARSCOV2 is NOT a textbook coronavirus as many thought, it clearly has T-cell immune evading capabilities! ➡️"Immune evasion from CD8 T cells could allow infected cells to survive better in the host. The virus could establish a safe niche for prolonged replication" #LongCovid ➡️Remarks: -Question now, is this cumulative with further Omicron subvariant reinfections?
Part 1 of 2 A study which supports the theory of Immune DisRegulation. Dr Zacharey Rubin is a paediatric allergist and immunologist. He is on TikTok as @ rubin_allergy.
Detailed analysis on Twitter: "As of now, people choose whether or not they have Long Covid based upon their symptoms
However, if most people, after mild infection have changes to their immune systems like reductions in plasmacytoid dendritic cells, without reporting symptoms, what should this be called?"
the gravity of reinfecting Covid's immunity damage
Measles immunity amnesia is a one-off thing
Covid reinfects and the harm to the immune system is worse and easier to appreciate
T cells are aged
