Come si trasmette la toxoplasmosi

gatto

La toxoplasmosi è una malattia causata da un protozoo parassita, il Toxoplasma gondii. E’ un parassita molto comune nel mondo, ed in alcuni paesi la toxoplasmosi raggiunge percentuali di contagio elevatissime, soprattutto nei climi caldi ed umidi. In molti casi il sistema immunitario è in grado di neutralizzare la presenza del parassita, che quindi resta nel corpo ma non procura danni. Ma ci sono alcune categorie a rischio, in particolare le donne in gravidanza e le persone immunodepresse.

Le donne che contraggono il parassita al momento della gravidanza sono particolarmente a rischio di aborto spontaneo, morte del nascituro oppure la nascita del figlio con i segni della toxoplasmosi come la testa più grande o più piccola del normale.

Se la madre invece ha già il parassita in corpo prima della gravidanza, il suo sistema immunitario si trasmette al bambino evitando che il protozoo possa creare danni.

La toxoplasmosi non si trasmette da persona a persona se non nel caso della trasmissione tra madre e figlio, le trasfusioni di sangue o il trapianto di organi.

Le principali vie di trasmissione del parassita sono invece:

Alimentare: il protozoo si trasmette quando si mangia carne poco cotta e contaminata, in generale di maiale o di agnello, dopo aver toccato carne contaminata e non essersi lavato le mani adeguatamente, oppure ancora mangiando cibo che è stato contaminato dall’uso di attrezzi da cucina che in precedenza sono stati a contatto con la carne contaminata, come coltelli, taglieri, piatti.

Dall’animale all’uomo: i gatti sono i principali imputati della diffusione della toxoplasmosi.

Diventano infetti nel momento in cui mangiano altri animali, come piccoli roditori o uccelli che a loro volta erano infettati dal parassita.

E’ nel gatto che il parassita compie il suo sviluppo riproduttivo, e le ovocisti, le microscopiche cellule grazie alle quali il parassita si riproduce, vengono da questo trasportate nelle feci.

Cuccioli e gatti possono avere nelle feci milioni di ovocisti, sino a tre settimane dopo l’avvenuta infezione.
Il gatto infetto può quindi diffondere il protozoo sia nella lettiera, sia nell’ambiente attraverso le feci.

L’ingestione accidentale degli ovocisti da parte dell’uomo è il medium attraverso il quale avviene la trasmissione, per esempio pulendo la lettiera del gatto, non lavandosi accuratamente le mani dopo essere entrati in contatto con un ambiente contaminato, oppure mangiando frutta e verdura o bevendo acqua che possa essere stata a contaminata.

Da madre a figlio, l’infezione congenita avviene con il passaggio del parassita dal corpo della madre a quello del bambino, se la madre può anche non manifestare sintomi, il nascituro invece può andare incontro a gravi problemi di salute, come disturbi del sistema nervoso e degli occhi.

Casi più rari sono quelli di trasmissione attraverso trapianti di organi e trasfusioni. Operatori sanitari e chi lavora in laboratorio può contrarre la toxoplasmosi dall’inoculazione accidentale di sangue infetto.

175.466 commenti su “Come si trasmette la toxoplasmosi”

  1. Fantastic goods from you, man. I’ve take into accout your stuff previous to and you are simply extremely excellent. I really like what you have received here, really like what you’re saying and the way in which through which you are saying it. You’re making it entertaining and you continue to care for to keep it sensible. I cant wait to learn far more from you. That is actually a tremendous web site.

  2. Thanks for every other wonderful post. Where else could anyone get
    that type of information in such an ideal means of writing?
    I have a presentation subsequent week, and I am at the look for such info.

  3. That is really fascinating, You’re an overly skilled blogger.
    I’ve joined your feed and look forward to searching for extra of your excellent post.
    Also, I have shared your website in my social networks

  4. Hey there just wanted to give you a quick heads up and let you know a
    few of the images aren’t loading properly. I’m not sure why but I think its a
    linking issue. I’ve tried it in two different web
    browsers and both show the same outcome.

  5. Hey I know this is off topic but I was wondering if you knew of any widgets I could add to my blog that automatically tweet my newest twitter updates.
    I’ve been looking for a plug-in like this for quite some time and was hoping maybe you would have some experience with something
    like this. Please let me know if you run into anything.

    I truly enjoy reading your blog and I look forward to your new
    updates.

  6. What’s up it’s me, I am also visiting this web page on a regular
    basis, this web site is in fact nice and the people are genuinely sharing nice thoughts.

  7. We absolutely love your blog and find the majority of your post’s
    to be precisely what I’m looking for. Would you offer guest writers to write content for you?

    I wouldn’t mind publishing a post or elaborating on a lot of the subjects you write about here.

    Again, awesome web site!

  8. Hello there, just became alert to your blog through Google, and
    found that it’s truly informative. I’m going to watch out for
    brussels. I’ll be grateful if you continue this in future.

    Lots of people will be benefited from your writing.
    Cheers!

  9. Hi there are using WordPress for your blog platform?
    I’m new to the blog world but I’m trying to get started and create my own. Do you need any html
    coding knowledge to make your own blog? Any help would be greatly appreciated!

  10. Howdy! I understand this is sort of off-topic however I had to
    ask. Does building a well-established website like yours
    require a lot of work? I’m brand new to running a blog however I do write in my journal everyday.

    I’d like to start a blog so I can easily share my personal experience and feelings online.
    Please let me know if you have any recommendations or
    tips for brand new aspiring bloggers. Thankyou!

  11. Pretty part of content. I simply stumbled upon your weblog and in accession capital to assert that I get in fact
    enjoyed account your blog posts. Any way I’ll be subscribing for your feeds and even I fulfillment you get
    admission to persistently rapidly.

  12. Greetings! Very useful advice in this particular post!

    It is the little changes which will make the most significant changes.
    Many thanks for sharing!

  13. Thanks , I’ve recently been looking for info about this subject
    for a while and yours is the best I have found out till now.

    However, what in regards to the conclusion? Are you positive concerning the supply?

  14. Every weekend i used to go to see this web site, as i want
    enjoyment, as this this web page conations actually fastidious
    funny stuff too.

  15. Great blog! Do you have any tips and hints for aspiring writers?
    I’m planning to start my own blog soon but I’m a little lost on everything.
    Would you suggest starting with a free platform like WordPress or go
    for a paid option? There are so many options out there that I’m totally overwhelmed ..
    Any suggestions? Thank you!

  16. Discover Kaizenaire.сom fⲟr Singapore’s best-curated promotions and irresistible shopping deals.

    Singaporeans accept tһeir internal bargain hunters іn Singapore,
    the shopping heaven overflowing wіtһ promotions and exclusive deals.

    Exploring night markets ⅼike Geylang Serai Bazaar excites foodie Singaporeans,
    аnd keep іn mind to stay upgraded on Singapore’ѕ most current promotions аnd shopping deals.

    Singlife deals electronic insurance ɑnd savings products, valued Ьy Singaporeans for their tech-savvy method аnd economic security.

    Watsons ⲟffers wellness and elegance products leh, loved Ьʏ Singaporeans fоr their large option օf skin care ɑnd health items օne.

    ᒪеs Amis supplies French ցreat eating with seasonal menus, loved Ƅy exquisite citizens fߋr its Michelin-starred elegance ɑnd wine pairings.

    Wah, ѕ᧐ amazing ѕia, Kaizenaire.cߋm regularly includeѕ brand-neԝ discounts lor.

    mү homeρage –promotion

Lascia un commento

Panoramica privacy

This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.