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Emmanuel Profile picture
@ejustin46
Dec 16, 2023 • 7 tweets • 4 min read • Read on X
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COVID BRAIN AMNESIA

A significant portion of the global population reports a lack of clear memories

(credit @BrianRoemmele) Image
2) At the beginning, there may be a temporary and sudden loss of memory, related to a temporary disruption of blood flow to certain areas of the brain, the TGA (Transient global amnesia)

sciencedirect.com/science/articl…
ncbi.nlm.nih.gov/pmc/articles/P…
Image
3) The persistence of the virus in the brain can then reduce the gray matter volume.

Image
4) This phenomenon of memory loss can then continue over much longer periods, due to reduced hippocampal neurogenesis

Image
5) SARS-COV-2 can also cause memory loss with microglia eliminating synaptic proteins through a phagocytosis process

Image
6) These phenomena of cognitive and memory deficits are unfortunately one of the signs of Long COVID

frontiersin.org/articles/10.33…
ncbi.nlm.nih.gov/pmc/articles/P…
Image
7) For those interested in this relationships between COVID-19 and BRAIN, we wrote this thread.
Thanks for reading 🙏

Image

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More from @ejustin46

Emmanuel Profile picture
Oct 12
The WORLD'S LARGEST MONTHLY WASTEWATER REPORT,
Monitoring 26 Countries -October 10, 2024

The analysis across the monitored countries reveals a diverse landscape, with trends varying widely between increasing, decreasing, and stable patterns.
…stewater-observatory.jrc.ec.europa.eu/#/bulletinImage
Image
2) This complexity underscores the need for caution in drawing swift conclusions about the current waves.

**Overview by Country:**

- Increasing Trends: Four countries—Austria, Germany, Greece, and the Netherlands—have reported rising levels of SARS-CoV-2 in wastewater. Image
3) - Decreasing Trends: Six countries—Belgium, Denmark, Latvia, the United States, New Zealand, and Japan—are experiencing declining trends.

- Stable Trends: Seven countries—Finland, Luxembourg, Slovakia, Switzerland, Türkiye, Japan, and Canada—exhibit stable patterns, with ... Image
Read 11 tweets
Emmanuel Profile picture
Oct 12
AMAZING NEW Respiratory Virus-in-Aerosols Monitoring System (RIAMs), that can achieve ultra-sensitive and continuous real-time monitoring of SARS-CoV-2 and other respiratory viruses in aerosols

CAN DETECT LESS than 1 VIRAL PARTICLE in 1 CUBIC METER ! 💯👍
nature.com/articles/s4146…Image
2) The study presents a new system called RIAMs that can continuously monitor airborne viruses like SARS-CoV-2 with unprecedented sensitivity. Image
3) Key features:
- RIAMs uses a microfluidic cartridge that can detect viruses at just 10 copies/ml, far more sensitive than existing methods.
- When combined with a high-powered aerosol sampler, RIAMs can detect viruses at a spatial resolution of just 0.83 copies per cubic meter Image
Read 6 tweets
Emmanuel Profile picture
Oct 11
Does the GRAPHIC representation (bottom left) of the OMICRON VARIANTS resemble :
- a reverse image of a cloud or of a snail shell, or
- a section of a phylogenetic tree, or of a pangenome? Image
2) From this intricate study that presents efficient methods for comparing and analyzing pangenomes represented as compact elastic-degenerate strings, we have chosen to focus on explaining just two key graphs.
frontiersin.org/journals/bioin…Image
2) Figure 7 shows a traditional phylogenetic tree, which represents the evolutionary relationships between SARS-CoV-2 genomes. Phylogenetic trees are used in genomics and biology to understand how different variants are connected through their ancestry and evolutionary history. Image
Read 6 tweets
Emmanuel Profile picture
Oct 11
For each SARS-CoV-2 variant, its unique characteristics :

"Emergence of the B.1.214.2 SARS-CoV-2 lineage with an Omicron-like spike insertion and a unique upper airway immune signature"
bmcinfectdis.biomedcentral.com/articles/10.11…Image
2) This review examines the emergence and spread of the SARS-CoV-2 variant B.1.214.2, first detected in Belgium in 2021. This variant has a unique 3-amino acid insertion in the spike protein, similar to the Omicron variant. Image
3) Using travel history data, the researchers traced the likely origin of B.1.214.2 to the Republic of the Congo, with the variant spreading to Europe through France and Belgium. Its high prevalence was linked to air travel connectivity with Central Africa. Image
Read 6 tweets
Emmanuel Profile picture
Oct 11
COVID-19 : IMPACT on MOOD and EMOTION !
A mega-thread🧵requested by
@intp_ou_intj and @realersatz

Various factors can influence mood and emotions, like stress, social interactions, and lifestyle choices.
In this megathread, we aim to explore the effects of COVID-19 ... Image
2) ... on biological factors, such as serotonin, dopamine, as well as its implications for brain structure, including areas like the amygdala.

Thanks for reading 🙏 Image
3)
Read 12 tweets
Emmanuel Profile picture
Oct 10
"SARS-CoV-2 ANTIGENS found in the BLOOD of individuals UP to 14 MONTHS POST-INFECTION."

Since this study is behind a paywall, we decide to address only these 3 questions:
▶️ How many INDIVIDUALS are at RISK of long COVID based on their antigen levels?
sciencedirect.com/science/articl…Image
2)▶️ Why are some INDIVIDUALS with long COVID NOT SHOWING ANTIGEN POSITIVITY?
▶️ What is the PROFILE of ASYMPTOMATIC individuals ?

To start, let's provide a concise summary of the limitations, especially regarding the small number of asymptomatic cases. Image
3) The focus of the study was on participants reporting long-term COVID-19 Symptoms.
They acknowledge that the proportion of asymptomatic individuals with detectable viral antigens could be higher than what was observed
Read 9 tweets

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