10 Most Invasive Parasites in the World


Here are the 10 most invasive parasites in
the world. Despite their size, these tiny terrorizers will leave you digging into your
own skin. Number 10: Blood Flukes
Scientifically known as schistosoma, blood flukes are one of the most common parasites
in the world, affecting hundreds of millions of people worldwide. They’re a type of flatworm
parasite that uses snails as an intermediate host by latching onto them then attaching
themselves onto human skin & hatching eggs inside the human’s bladder or intestine. Once inside your body, blood flukes can live
a very long time. The initial symptoms of itching & rashes begin appearing in just a
few days. After a couple months, diarrhea, coughing, headaches, & fever will likely occur.
Several years of leaving it untreated will then lead to the eggs spreading & infecting
organs such as the lungs, liver, & bladder. They may even affect the spinal cord and brain,
thus causing paralysis & seizures. This parasite is found primarily in Africa,
the Middle East, South America, & parts of South Asia. Children are at especially high
risk as they can develop learning disabilities & suffer from malnutrition. As such, the World
Health Organization considers blood flukes to be among the most socio-economically damaging
parasites in the world. Number 9: The Horsehair Worm
Also known as “gordian worms” or “nematomorpha,” the horsehair worm is a parasitic worm found
in watery areas such as pools, creeks, & puddles. Scientists believe this parasite is comprised
of anywhere between 350 to 2,000 different subspecies. While horsehair worms do not pose any direct
threat to humans, they do pose an interestingly unique & specific danger towards crickets.
They hatch as larvae at the bottom of a creek, stream, or puddle, then wait to be eaten by
a cricket. Once consumed, the horsehair worm will navigate its way into the cricket’s body
cavity, where it absorbs nutrients from the cricket. As soon as this parasite breaks free,
it coaxes the cricket into drowning itself so the horsehair worm can fully emerge. After
leaving the dead cricket, it then finds a mate, who helps it reproduce by laying eggs.
The male worm dies & the deadly cycle continues. Number 8: Roundworms
Roundworms are parasites responsible for causing a disease in humans known as filariasis. Carried
by flies & mosquitos, they infect one’s bloodstream with the potential to reach the lymphatic
system, causing the body parts (such as your limbs & genitals) to swell up well beyond
their normal size. The skin will also become thick & painful as a result of infection. Roundworm-induced filariasis affects close
to 1 billion people in 80 countries throughout the world. Fortunately, this condition is
treatable through the use of oral drugs such as Diethylcarbamazine, which kills off the
infection & prevents further transmission to other people. Number 7: The Tsetse Fly
Found in Africa, the tsetse fly is one of the main causes of trypanosomiasis, or African
sleeping sickness. This parasitic disease affects roughly 10 million people & is most
common in more rural areas. Symptoms include headaches, fever, joint pain,
poor coordination, confusion, muscle weakness, paralysis of the limbs, & trouble sleeping.
It can eventually prove fatal if treatment is not sought, causing death due to eventual
organ failure. While the disease has been present in Africa
for thousands of years, the death rate has decreased in recent years due to advances
in modern medicine. In 1990, for example, about 34,000 people died from African sleeping
sickness, which is close to four times higher than its current death rate of 9,000 people
per year. Number 6: The Emerald Jewel Wasp
Also known as the “emerald cockroach,” the emerald jewel is known for paralyzing
cockroaches in order to use them for their larvae. They’re native to South Asia as well
as parts of Africa & the Pacific islands, where they paralyze cockroaches with their
sting then lead them to their nest trap in a burrow. Here, the emerald jewel proceeds
to lay its eggs inside the roach’s abdomen. Over a period of about 10 days, the wasp controls
the amount of venom injected into its victim in order to keep it alive, all the while allowing
its larvae to feed off the roach’s organs. Controlling the venom is important as too
much venom will kill the cockroach while too little will allow it to make a full recovery.
Wasps keep the roaches alive in order to feast off their bodies & harvest their own eggs.
A cocoon is then formed here, where eventually, a full-grown wasp is born. It is at this point
that the cockroach finally dies. Number 5: The Loa Loa
Commonly referred to as the “eye worm,” the loa loa is one of the main causes of a
condition known as loa loa filariasis, which is both a skin & eye disease. The loa loa
is transmit to humans through deer flies & can live inside humans for up to 17 years! Once
they infect you, they find their way into your body through your skin or eyes. This often causes itching, swelling, & at
times, severe pain if the worm migrates underneath your eyes. Other symptoms include fluid buildup
in the testicles in men, damage to the large intestine, arthritis, damage to the retina
layers, infection of the lymph glands, & kidney disease. Medications alone are not capable of completely
treating loa loa filariasis. Thus, surgery is often required along with the use of prescribed
drugs after surgery for continued treatment. An estimated 12 million people across 11 different
countries in Africa are infected by the loa loa. Number 4: Onchocerca Volvulus
The parasitic nematode known as onchocerca volvulus is responsible for river blindness;
the second leading cause of blindness in the world, second only to trachoma. 37 million
people are affected by this in some form or another while another estimated 800,000 have
suffered some degree of vision loss. The vast majority of those affected reside in sub-Saharan
Africa. River blindness gets its name from the fact
that the onchocerca volvulus nematode infects black flies living near rivers. Once the fly
bites a human, the worms make their way into your skin & hatch larvae that make their way
back up to the surface of your skin as well as your eyes, thus causing the blindness.
In addition to vision loss, river blindness also causes symptoms such as bumps under the
skin, severe itching, a rare form of epilepsy called Nodding Disease, & a condition known
as Mazzotti Reaction. Mazzotti Reaction can be life-threatening as it induces fever, abdominal
pain, edema, swollen lymph nodes, & an allergic reaction to medicine. Number 3: Anisakis
Anisakis are another type of parasitic nematode that infect the gastrointestinal tract through
the consumption of raw or undercooked seafood. This condition is more prevalent where raw
fish is regularly consumed such as Japan & parts of Scandinavia. Soon after the nematode is
consumed with the food, it attempts to dig its way through the intestinal wall but dies
trying, thus causing severe abdominal pain in the process. Additionally, immune cells
react to the nematode & form a wall around it. This in turn ends up blocking the digestive
tract, which additionally leads to malnutrition & vomiting. More severe cases, can result
in a condition similar to Crohn’s Disease, with symptoms such as bloody diarrhea, fever,
weight loss, skin rashes, anemia, & bowel obstruction. Number 2: Whipworms
Whipworms are a type of roundworm responsible for causing trichuriasis, or whipworm infection.
This is a disease that affects up to 800 million people as it’s prevalent throughout the tropical
regions of the world. Symptoms include bloody diarrhea, abdominal pain, low red blood cell
levels, weight loss, nutritional deficiencies, long-standing blood loss, rectal prolapse,
& learning disabilities in children. Whipworms usually infect people through food,
such as contaminated vegetables that have not been washed, or soil, which is easily
spread around. The infection is often treated through the drugs Mebendazole, Albendazole,
& Ivermectin. In places like China & Korea however—where the sanitation is poor & there
exists a lack of medical supplies—treatment & prevention of an infection can be very difficult. Number 1: Botflies
While there are many different types of botflies, it’s the dermatobia hominis that infects
humans. Botflies enlist the help of mosquitos & ticks to do their dirty work. Native to
South America, these large, hairy flies, will lay their eggs on a mosquito or tick, which
then bites & infects a human. The botfly larvae will then begin hatching eggs that, in turn,
proceed to eat through your muscle tissue. It is said that humans who become infected
with these parasites can even hear them moving around inside their body. Aside from that,
botflies also leave sores at the point of entrance, which often becomes red & swollen.
In order to extract these flies, people have been known to put petroleum over the wounds
to suffocate them, then pull them out with tweezers. If you enjoyed this video, click on the link
in the top right corner of your screen to view more nasty, invasive parasite photos
on theywillkillyou.com. And don’t forget to subscribe to They Will Kill You by clicking
on the link in the description below.

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100 thoughts on “10 Most Invasive Parasites in the World

  1. how in the fuq did I get here? guess who's having nightmares of parasites eating them alive tonight? ✋guy.

  2. Damn right when you think things are shit it gets shitter …… Imma just live in a fucking bonker by myself lol

  3. amazing vid thank you so… please can anyone tell me if they have had a similar experience https://www.youtube.com/watch?v=ElIS9E79SrM

  4. Mindrapist parasite in the British and American tv industry even on social media pushing without consent hypnotic suggestions.This parasite needs cleansing through the courts.Its the courts.

  5. Seen this video. I am gonna order a hazmat suit and get myself a nice little flamethrower lest mama nature wants to kill me.

  6. 2:46 so there is like 7 billion people in the world, this dude is saying 1 in a 7th chance you will get this parasite, boi👋.

  7. after watching these video ,i feel more positive became i dont have parasite as company, how worse can my life be

  8. onchrocerca volvulus? dont know if I spelled correctly. but that shit should be #1. god that's nasty.

  9. When you go to Africa know that you are dead but I don't think that you will go after watching this 😨😨😨

  10. Dudem ive come here to inform myself.
    Couldn't you do this video creepier than that ?
    Hope not any hipocondriac watches this.

  11. There is only one true God, the father of Jesus Christ that can protect us from this.
    Christianity is the way to go and our only hope

  12. ZENTEL GlaxoSmithKline yuhan anthelmintic Chewable tablets Human Anti Worms Dewormer 4 tab no-Prescription World Health Organization’s recommendations, https://www.ebay.com/itm/292534812715

  13. Be careful what you're trying to make in might go for you on this video this video is scary because they're talking about the most dangerous worms inside the whole entire world so I would be careful if I was you all right okay made by Jacob

  14. Aspartame……. aspartame…….. aspartame maybe if I say it three times like Beetlejuice I might actually get it

  15. What I learned:
    Don't go to Africa
    Don't trust shady outdoor pools
    Don't be a cricket
    Don't be a cricket or cockroach in Africa
    Stay away from politicians
    Never leave the house unless ABSOLUTELY necessary.

  16. i remeber when I used to watch this and get scared all the time but now I don’t and I’m watching it at midnight 🧐😅😕

  17. My sister had all those
    Symptoms..BUT NOT
    RASHES & She is
    DIAGNOSED with
    #Stage4CANCER too late
    And it spread to her
    Lungs
    Brain
    WTF!?? SO SAD😭😭

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