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#toxoplasmosis

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'Epidemiological changes in Toxoplasma infection: a 7-year longitudinal study in pregnant women in Lyon, France, 2017–2023
Translated title: Évolution épidémiologique de l’infection à Toxoplasma : étude longitudinale sur 7 ans chez les femmes enceintes à Lyon (2017-2023)'

- an article in 'Parasite' by @EDPSciences on #ScienceOpen:

🔗 scienceopen.com/document?vid=0

ScienceOpenEpidemiological changes in <i>Toxoplasma</i> infection: a 7-year longitudinal study in pregnant women in Lyon, France, 2017–2023 <span class="so-article-trans-title" dir="auto"> Translated title: Évolution épidémiologique de l’infection à <i>Toxoplasma</i> : étude longitudinale sur 7 ans chez les femmes enceintes à Lyon (2017-2023) </span><p xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" class="first" dir="auto" id="d4166648e332">The epidemiology of <i>Toxoplasma</i> infection is known to vary geographically, but is also likely to vary over time, under the influence of many contributing factors. Monitoring is particularly useful in the context of preventing congenital toxoplasmosis. We took advantage of the French prenatal prevention programme to retrospectively assess changes between 2017 and 2023 in seroprevalence and incidence rates of <i>Toxoplasma</i> infection in pregnant women and the incidence of congenital infections. We conducted a longitudinal retrospective study including all pregnancies with known <i>Toxoplasma</i> status followed up at Lyon’s public maternity hospitals between 2017 and 2023 (71,922 pregnancies). We used a multivariable logistic regression model to identify factors (age-group, WHO region of origin, population density of the area of residence and parity) associated with seropositivity. The seroprevalence of toxoplasmosis decreased consistently from 26.4% in 2017 to 22.1% in 2023 ( <i>p</i> = 0.003), while maternal infection incidence remained stable at 1.3/1,000 pregnancies at risk. Notably, the seroprevalence showed a linear increase with age from 18.9% in women aged 25–29 years to 38.0% in women aged ≥40 years ( <i>p</i> < 0.001). The seroprevalence was lower in pregnant women living in rural areas [adjusted seroprevalence ratio (aPR) = 0.87, 95% CI: 0.82–0.92] and higher in multiparous women (aPR = 1.08, 95% CI: 1.04–1.12). This study confirms the ongoing decline in toxoplasmosis seroprevalence while seroconversions remained stable, indicating a need for more tests in seronegative women in the future. These findings highlight the need for ongoing monitoring and refinement of congenital toxoplasmosis prevention strategies in high-income countries. </p><p xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" class="first" dir="auto" id="d4166648e350">Il est connu que l’épidémiologie de l’infection à <i>Toxoplasma</i> varie selon les zones géographiques, mais elle est également susceptible de varier au fil du temps, sous l’influence de nombreux facteurs contributifs. La surveillance est particulièrement utile dans le cadre de la prévention de la toxoplasmose congénitale. Nous avons exploité le programme français de prévention prénatale pour évaluer rétrospectivement l’évolution entre 2017 et 2023 de la séroprévalence et des taux d’incidence de l’infection à <i>Toxoplasma</i> chez les femmes enceintes, ainsi que de l’incidence des infections congénitales. Nous avons mené une étude rétrospective longitudinale incluant toutes les grossesses dont le statut toxoplasmique était connu, suivies dans les maternités publiques de Lyon entre 2017 et 2023 (71 922 grossesses). Nous avons utilisé un modèle de régression logistique multivariée pour identifier les facteurs (tranche d’âge, région d’origine OMS, densité de population du lieu de résidence et parité) associés à la séropositivité. La séroprévalence de la toxoplasmose a diminué de façon constante, passant de 26,4 % en 2017 à 22,1 % en 2023 ( <i>p</i> = 0,003), tandis que l’incidence de l’infection maternelle est restée stable à 1,3/1 000 grossesses à risque. Il est à noter que la séroprévalence a montré une augmentation linéaire avec l’âge, passant de 18,9 % chez les femmes âgées de 25 à 29 ans à 38,0 % chez les femmes âgées de plus de 40 ans ( <i>p</i> < 0,001). La séroprévalence était plus faible chez les femmes enceintes vivant en zone rurale [rapport de séroprévalence ajusté (aPR) = 0,87, IC à 95 % : 0,82-0,92] et plus élevée chez les femmes multipares (aPR = 1,08, IC à 95 % : 1,04-1,12). Cette étude confirme la baisse continue de la séroprévalence de la toxoplasmose, tandis que les séroconversions sont restées stables, ce qui indique la nécessité de réaliser davantage de tests chez les femmes séronégatives à l’avenir. Ces résultats soulignent la nécessité d’une surveillance continue et d’un perfectionnement des stratégies de prévention de la toxoplasmose congénitale dans les pays à revenu élevé. </p>

Cats
"Nationally, feral cats kill more than 1.5bn native mammals, birds, reptiles and frogs and 1.1bn invertebrates a year. They have contributed to the extinction of more than 20 Australian mammals and can spread diseases to native animals, livestock and humans."
>>
theguardian.com/environment/20
#biodiversity #cats #pets #toxoplasmosis

The Guardian · Drones, AI and one long fence: Kangaroo Island’s war on a clawed predator that kills 1.5bn Australian animals a yearBy Tory Shepherd
Continued thread

Free range chickens certainly eat mice. It’s a mystery how other livestock become infected with T. Gondii. What’s repeated is that cats defecate in the feed. This seems unlikely in any event and extremely unlikely in a factory farm. One would think that there would be some interest in preventing T. gondii in meat, but there isn’t. Not even warnings to cook thoroughly. #PublicHealth #Parasitology #Parasite #Toxoplasmosis #Infectiousdisease #Infectiousdiseases #Zoonosis

theatlantic.com/health/archive

No mention of #toxoplasmosis ! It attacks the nervous system of rats to attract them to cats! Its effects on humans are largely unknown. Pregnant and breast-feeding mothers are warned to avoid the litter box because of this. An infected infant is more than twice as likely to be #autistic.[^1]

What about #dogs ?
They step in and roll in poop and dead things, bringing them into your house and onto your petting hand!

[^1]: pubmed.ncbi.nlm.nih.gov/327773

The Atlantic · Nobody Really Knows If Pets Are Good for Your HealthBy Michael Schulson

"traffic fatalities in California increased by 22% from 2019 to 2022.

[...And] on a national level [...] traffic fatalities increased by 19%. [...]

Research points to the various ways COVID attacks the brain. Some people who have been infected have suffered motor control damage, and that could be a factor in car crashes."

([1] citing tripnet.org/reports/traffic-sa)

All you folks painfully aware of the hypothesis.that COVID-19, like toxoplasmosis, one more circumstantial piece of evidence.

[1] ineteconomics.org/perspectives

TRIPNews Release: U.S. Traffic Fatalities Surged 19 Percent from 2019 to 2022 As Vehicle Travel Returned to Near Pre-Pandemic Levels... | TRIPFOR IMMEDIATE RELEASE Wednesday, June 21, 2023 Contact: Rocky Moretti (202) 262-0714 (cell) Carolyn Bonifas Kelly (703) 801-9212 (cell) U.S. TRAFFIC FATALITIES SURGED 19 PERCENT…

Feral Cat advocates say killing feral cats to protect #wildlife is misguided. But they ignore feral cats killing billions of birds, reptiles, mammals, and amphibians each year in the U.S., and also causing #biodiversity loss by spreading #toxoplasmosis.

hawaiipublicradio.org/the-conv

HAWAII · Big Island organization advocates for a humane reduction of feral catsBy Russell Subiono

@PacificNic

I'm sure I've seen folks on zeroes talk about the #toxoplasmosis - like risk acceptance theory before.

There's at least three other effects I personally believe are in play:

* normalcy bias

* threat acclimatization

* poor heuristics / statistical modelling ("I got it once, and it wasn't noticeably awful, so it is not dangerous")

Continued thread

A meta-analysis of 17 studies finds, despite heterogeneity in measurements of exposure and effects, a clear association between early-life exposure to cats and schizophrenia: psypost.org/cat-exposure-durin.

Toxoplasmosis is, of course, thought to be the causal mechanism.

PsyPost · Cat exposure during early life could double schizophrenia risk, meta-analysis suggestsBy Eric W. Dolan