The Parasitic Twin: Can You Be Born With A Human Attached To You?

Updated Mar 10, 2025 | 07:00 PM IST

SummaryIt is an extremely rare type of cojoined twin where a baby is born with an underdeveloped twin attached to its body. This condition is also known as vestigial twins.
The Parasitic Twin

Credits: Canva

Imagine this. A young teenager, 17, years old, who is fully developed. Now imagine this, the same teenager has a fully developed extra set of limbs and a pelvis. That extra set of pair is attached with chest artery. But, how can this happen?

While it is extremely rare, and has a chance of less than one case occurring per 100,000 births. Such things do happen. This is called parasitic twin.

What Is A Parasitic Twin?

It is an extremely rare type of cojoined twin where a baby is born with an underdeveloped twin attached to its body. This condition is also known as vestigial twins. The condition is very closely related to conjoined twins, where babies are connected at birth and share organs. However, the main difference is that in conjoined twins, there are two developed babies, whereas in parasitic twins, only one is fully developed, other one is underdeveloped and non functional.

In such a case, the twin who is developed is medically known as the autositic or the dominant twin. The dominant twin is healthy in most aspect but may have extra tissue, organs, or limbs from the parasitic twin.

The parasitic twin may be attached with the dominant twin through several places. The common joints are at the head, torso, chest, pelvis, buttocks, or back. In these cases, the parasitic twin is not alive and they die either in the womb or during the childbirth.

Doctors Remove Parasitic Twin

Now, let's go back to the case we referred to, where a young teenager had an extra pair of limbs attached to chest. The teenager who has not been named is from Uttar Pradesh's Unnao neighbourhood, and was treated in AIIMS, Delhi. The team of doctors successfully removed the extra set of limbs from his body.

Dr Asuri Krishna, who led the team of specialist who surgically removed the extra limbs told the BBC that only 40 to 50 cases of parasitic twins have been documented in world medical literature, and in those cases, the surgery had been attempted on children. The doctor said that without much medical literature to guide them, the team of doctors depended on "intuition, skill and knowledge".

The doctor shared that the child had two fully formed legs, buttocks and external genitalia, which weighed around 15kg "protruding from his abdomen".

How Was The Surgery Performed?

The doctor shared that first they identified how interconnected the parasitic and host twins were. The doctors took scans and found that parasitic twin was attached to the teen's breastbone. The blood was being supplied from a vessel in his chest. However, "there wasn't much connection with other main organs like the liver or kidneys," said Dr Krishna. The team also found a large cyst in the teen's abdomen.

Then the surgery was performed in two stages. In the first stage, the parasitic twin was removed. Then the cystic mass was extracted from the surrounded area. The entire surgery was completed in two and a half hours and the team of doctors included radiologists, anaesthetists, and plastic surgeons.

The biggest challenge was when the teen's blood pressure dropped as 30 to 40% of his blood flowed to the parasitic twin, however, the doctors were prepared for it and they stabilized him.

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Chocolates, Snack Mixes Recalled In US Over Risk Of Salmonella Contamination

Updated May 12, 2026 | 10:10 AM IST

SummaryThe recall is due to a specific ingredient — milk powder supplied by California Dairies — used in several products and snacks, particularly in seasonings.According to the Food and Drug Administration (FDA), the potentially tainted powdered milk and buttermilk were voluntarily recalled on April 20.
Chocolates, Snack Mixes Recalled In US Over Risk Of Salmonella Contamination

Credit: AI generated image

Dozens of food products, including chocolates, snack mixes, popcorn, chips, and nuts, have been recalled in the US over the risk of salmonella contamination.

The recall is due to a specific ingredient — milk powder supplied by California Dairies — used in several products and snacks, particularly in seasonings.

According to the Food and Drug Administration (FDA), the potentially tainted powdered milk and buttermilk were voluntarily recalled on April 20.

Which Products Have Been Recalled?

Ghirardelli Chocolate Powders:

  • Chocolate Flavored Frappe
  • Classic White Frappe
  • Premium Hot Cocoa Pouch Bulk
  • Chocolate & Cocoa Sweet Ground Powder
  • White Chocolate Flavored Sweet Ground Powder
  • Vanilla Frappe Mix
  • Chocolate Flavored Frappe Mix
  • Classic White Frappe Mix
  • Chocolate Flavored Frappe Mix
  • Classic White Frappe Mix
  • White Mocha Frappe Mix
  • Mocha Frappe Mix
  • Frozen Hot Cocoa Frappe Mix
Utz Chips

  • Zapp's Brand Bayou Blackened Ranch Potato Chips
  • Zapp's Brand Bayou Blackened Ranch Potato Chips
  • Zapp's Brand Bayou Blackened Ranch Potato Chips
  • Zapp's Brand Big Cheezy Potato Chip
  • Zapp's Brand Big Cheezy Potato Chip
  • Zapp's Brand Salt and Vinegar Potato Chips (60ct)
  • Dirty Brand Salt and Vinegar Potato Chips
  • Dirty Brand Maui Onion Potato Chip
  • Dirty Brand Sour Cream and Onion Potato Chips
Pork Rinds and Seasonings

  • Bottles of Pork King Good Sour Cream & Onion Seasoning
  • Bags of Pork King Good Sour Cream & Onion Pork Rinds
  • Bags of Pork King Party Size Sour Cream & Onion Pork Rinds
Nuts and Trail Mix

  • Fisher Tex Mex Trail Mix
  • Southern Style Nuts Gourmet Hunter Mix
  • Southern Style Nuts Gourmet Hunter Mix
  • Southern Style Nuts Hunter Mix
  • Squirrel Brand Travelers Mix
  • Squirrel Brand Town & Country Mix
  • Squirrel Brand Town & Country Mix
  • Good & Gather Mexican Street, Corn Trail Mix
  • Giant Eagle Pita Chips:
  • Baked Pita Chips with Parmesan, Garlic & Herb
Popcorn and Popcorn Seasonings

  • Wildlife Seasoning Sour Cream & Onion Popcorn Topping
  • Williams Sonoma-branded Popcorn Sampler Gift Box with White Cheddar Seasoning
  • Fireworks Popcorn Poppings & Toppings gift set containing White Cheddar Seasoning
Cheese Curds

  • Stoltzfus Family Dairy Sour Cream
  • Onion Cheese Curds
Frozen Pizzas

  • Culinary Circle Ultra Thin Crust Chicken Bacon Ranch Frozen Pizza
  • Great Value Thin Crust Chicken Bacon Ranch Frozen Pizza
  • Great Value Stuffed Chicken Bacon Ranch Frozen Pizza
  • Mama Cozzi's Biscuit Crust Sausage & Cheese Frozen Breakfast Pizza
  • Mama Cozzi's Biscuit Crust Cooked Pork Belly Crumbles, Cooked Bacon Topping, Pepper & Onion Frozen Breakfast Pizza
Although there are no reports of injuries or adverse health effects, officials are concerned the products could be in consumers' or grocery stores' freezers, refrigerators, or pantries.

Also read:India Launches SEHAT Mission To Connect Farming With Nutrition And Health

The FDA urges people who purchased the products to throw them away or return them for a refund.

A separate Salmonella recall impacting 12 flavors of the popular chocolate brand Spring & Mulberry was also recently announced by the FDA, but appeared to be linked to a date supplier. It wasn't immediately clear if there was any connection to the California Dairies recall.

Another is a public health alert issued by the US Department of Agriculture’s Food Safety and Inspection Service (FSIS) for headcheese over possible contamination with Listeria monocytogenes (Lm).

What Is Salmonella?

Read More: Why The Norovirus Outbreak On A Caribbean Cruise Ship Is Not A Cause for Panic

As per the US Food and Drug Administration (FDA), Salmonella is a group of bacteria that can cause gastrointestinal illness and fever called salmonellosis. It can be spread by food handlers who do not wash their hands and/or the surfaces and tools they use between food preparation steps. It can also happen when people consume uncooked and raw food. Salmonella can also spread from animals to people.

The FDA notes that people who have direct contact with certain animals, including poultry and reptiles, can spread the bacteria from the animal to food if hand washing hygiene is not practiced.

Pets, too, could spread the bacteria within the home environment if they eat food contaminated with Salmonella.

Common symptoms of Salmonella include

  • diarrhea,
  • fever,
  • stomach cramps 6 hours to 6 days after being exposed to the bacteria.
The illness usually lasts 4 to 7 days, and most people recover without treatment, while in some, the illness may lead to hospitalization.

Children younger than 5, adults 65 and older, and people with weakened immune systems are more likely to have severe illness.

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Fact Check: Can Ivermectin Help Treat Hantavirus?

Updated May 12, 2026 | 10:13 AM IST

SummaryDoctors said that there is currently no strong scientific evidence or official guideline supporting ivermectin as a proven treatment for hantavirus in humans. They also advised people to avoid self-medication or depending on unverified online claims and to consult a doctor at the earliest if they experience any symptoms.
Fact Check: Can Ivermectin Help Treat Hantavirus?

Credit: AI generated image

Ivermectin, an antiparasitic medication, which gained widespread attention during the COVID-19 pandemic, is back in the spotlight again — this time in connection with the ongoing hantavirus outbreak linked to the MV Hondius.

According to the latest update from the World Health Organization (WHO), nine hantavirus cases have been confirmed so far, including three deaths.

Health authorities have also confirmed that the outbreak involves the Andes strain of hantavirus — the only known hantavirus strain capable of human-to-human transmission.

While global health agencies, including the WHO, Centers for Disease Control and Prevention (CDC), and the European Centre for Disease Prevention and Control (ECDC), continue to maintain that the overall public health risk remains low, memories of the COVID-19 pandemic and the disruption it caused remain fresh. As a result, fear, speculation, and misinformation are once again spreading rapidly online.

"Hantavirus is an RNA virus, and ivermectin should work against it," claims a May 6, 2026, post on X from Mary Talley Bowden, an ear, nose, and throat doctor suspended in 2021 by Houston Methodist Hospital for spreading Covid-19 misinformation.

"I actually texted her today and asked what we can treat hantavirus with. I'm so glad she posted it," former Texas representative Marjorie Taylor Greene wrote on X as she amplified Bowden's assertions about ivermectin.

HealthandMe spoke to experts to understand the truth behind these claims, and they dismissed the misinformation surrounding them stat.

Dr Jatin Ahuja, Consultant, Infectious Disease, Apollo Delhi, noted that, "there is currently no strong scientific evidence or official guideline supporting ivermectin as a proven treatment for hantavirus in humans".

He advised people to avoid self-medication or depending on unverified online claims and to consult a doctor at the earliest if they experience any symptoms.

Dr Rajiva Gupta, Senior Consultant, Internal Medicine, CK Birla Hospital, Gurugram, added that ivermectin is not approved for the treatment of hantavirus infection by major global regulatory and public health agencies, including the World Health Organization, Centers for Disease Control and Prevention, or the US Food and Drug Administration.

"Current claims linking ivermectin to hantavirus treatment appear largely unverified and are being circulated primarily through social media platforms," he told HealthandMe.

Also read: Why The Norovirus Outbreak On A Caribbean Cruise Ship Is Not A Cause for Panic

What Ivermectin Is Actually Approved For?

Ivermectin is a well-established medication that is highly effective against parasites. It was developed to treat topical parasitic infections and has been widely used for conditions like river blindness and scabies.

The drug's significance in treating these diseases was so profound that researchers who studied it won the Nobel Prize in 2015.

The US Food and Drug Administration (FDA) has approved ivermectin tablets for treating specific parasitic infections in humans. It is also available as a lotion to treat lice and as a cream for rosacea. Additionally, veterinarians also use it to prevent and treat parasitic diseases in animals.

Previously, ivermectin also gained popularity as a cancer cure, although there is no scientific evidence for it.

To understand the treatment for hantavirus, let us first look at how the rat-borne virus affects the body.

"Once hantavirus enters the body, it mainly affects the lungs and small blood vessels," Dr Jatin told HealthandMe.

In some patients, the infection can cause fluid build-up in the lungs, which may lead to breathing problems and low oxygen levels.

Further, the severity of symptoms also can vary from person to person and may depend on factors such as the amount of virus a person was exposed to, the body’s immune response, and how early treatment is started.

Like many viral infections, a higher viral load may sometimes be linked to more severe illness, although every patient can respond differently, the experts said.

Read More: High Blood Pressure? Daily Soy And Legume Intake May Help Lower The Risk: Study

Hantavirus: The Early Viral-like Symptoms

One challenge with hantavirus is that the early symptoms are quite non-specific and may resemble several common viral or respiratory infections.

Fever, body ache, fatigue, headache, nausea, and cough are commonly reported in the initial stage. In a few cases, symptoms may progress to breathing difficulty and lung-related complications, which require timely medical care.

So, How Can Hantavirus Be Treated?

Currently, treatments focus on medical care support and managing complications at the earliest stage possible.

"Patients may require oxygen support, hydration, monitoring, and intensive care depending on the severity of the illness. Early recognition and prompt medical attention remain important for better outcomes," Dr Jatin said.

Dr Rajiva noted that approved management for hantavirus infection remains primarily supportive, focused on respiratory and hemodynamic (circulatory) support. Among the therapies explored so far, ribavirin and monoclonal antibodies have shown some potential in experimental settings and animal models, but these are still under investigation and are not widely approved as standard treatment options.

How Can You Safeguard Against Hantavirus?

Also read: Hantavirus: Is Climate Change Behind The Outbreak?

Since there is no direct cure for hantavirus infection, prevention becomes extremely important. Key precautions include:

  • Avoid direct contact with rodents such as rats and mice
  • Maintain cleanliness in areas vulnerable to rodent infestation
  • Use gloves and masks while cleaning closed or dusty spaces
  • Avoid dry sweeping, as it can spread contaminated particles into the air
  • Keep food properly covered and dispose of waste carefully
  • Ventilate closed rooms or storage areas before cleaning them.

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Hantavirus: How India’s Virus Surveillance System Is Preparing To Track Rat-Borne Virus Early

Updated May 11, 2026 | 05:00 PM IST

SummaryThe Indian Embassy in Spain has confirmed that the two Indian nationals, onboard the hantavirus-hit cruise ship MV Hondius, are currently healthy and asymptomatic. They have been evacuated to the Netherlands for quarantine.
Hantavirus: How India’s Virus Surveillance System Is Preparing To Track Rat-Borne Virus Early

Credit: iStock

Amid reports of the hantavirus outbreak onboard the cruise ship MV Hondius, and two Indian crew members, India’s Ministry of Health and Family Welfare has stepped up surveillance measures.

While the Indian Embassy in Spain has confirmed that the two Indian nationals are currently asymptomatic and are being evacuated to the Netherlands for quarantine, health authorities in the country are closely monitoring the situation in coordination with national and international health agencies.

Notably, the Indian Council of Medical Research (ICMR) has mobilized its formidable "Viral Shield", a sophisticated network of 165 specialized laboratories, called the Virus Research & Diagnostic Laboratory (VRDL), to ensure that the rat-borne virus does not breach the country's borders.

What Are The VRDLs?

The 165 laboratories include

  • 11 Regional level,
  • 27 State level
  • 127 medical college level,
  • It covers 31 States and Union Territories of India and functions under the umbrella of the Department of Health Research (DHR)/ ICMR.
“The VRDL network has emerged as a pillar of India's health security architecture. It has enabled timely response to outbreaks; provided essential diagnostic services for various viral infections, including high- risk pathogens, and strengthened our ability to respond to emerging and re- emerging viral threats. The Government of India's investment in the establishment and expansion of this infrastructure underscores the importance of sustained investment in health research for protecting the health of our citizens,” said Union Health Minister JP Nadda, in the 2025 quarterly bulletin of VRDL.

Post-pandemic, VRDLs are actively engaged in integrated surveillance for Influenza-like Illness (ILI) and Severe Acute Respiratory Infection (SARI), monitoring for pathogens like Influenza A/B, Mycoplasma pneumonia, and SARS-CoV-2 variants.

In 2025, Union Minister of State for Health and Family Welfare, Anupriya Patel, said, VRDL has stood as “sentinels in protecting the country”.

She added that 16 VRDLs are now equipped with Bio-Safety Level-3 (BSL-3) facilities for studying high-risk pathogens, playing a central role in detecting outbreaks of Nipah, Zika, and Kyasanur Forest Disease.

Also read: Hantavirus: Is Climate Change Behind The Outbreak?

What's The Status Of MV Hondius Passengers?

Amid stiff opposition from the locals, the Dutch-flagged vessel MV Hondius, carrying 94 people, including Filipinos, Britons, Americans, Indians, and Spaniards, arrived in Spain's Canary Islands on May 10. All have been evacuated and repatriated.

Two of the 17 American passengers evacuated from the hantavirus-hit MV Hondius have tested positive, the US Department of Health and Human Services (HHS) announced today.

A French woman onboard the same cruise has also tested positive for hantavirus, and her health worsened in the hospital overnight, French Health Minister Stephanie Rist said.

The woman was among five French passengers repatriated from the MV Hondius.

"It’s not surprising that others on the ship will test positive for hantavirus in the coming days. What’s crucial is that they don’t pass this on to others- those most at risk: who they live with/family/friends as they head home. Quarantine for next 45 days super important," Prof. Devi Sridhar, Professor & Chair of Global Public Health, Edinburgh University, said in a post on the social media platform X.

WHO Guidelines On Hantavirus

Read More: Why The Norovirus Outbreak On A Caribbean Cruise Ship Is Not A Cause for Panic

The WHO maintains that the eight passengers on board have been infected with hantavirus. While three have died, six have been hantavirus infection has been confirmed in six cases.

Dr. Maria Van Kerkhove, the WHO’s head of epidemic and pandemic preparedness, said that after being brought to shore, passengers will be kept cordoned off from the public and taken to repatriation flights.

In their home countries, many will be taken onward to isolation facilities. Van Kerkhove said that the WHO is recommending “active monitoring and follow-up” for all passengers and crew for 42 days from their “last point of exposure” to a confirmed case.

"Our recommendation is daily health checks, at home or in a specialized facility. It's up to countries to develop their policies, but our recommendations are very clear," Van Kerkhove said, highlighting that the incubation period for the virus was up to six weeks.

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