Mutant Deer With Flesh-Bubbles Spotted In US: Scientists Warn Of Deadly Wildlife Virus Spread, Know Safety Measures

Mutant deer with flesh-bubbles spotted across the US have sparked concern. Learn about the deadly wildlife virus, its symptoms, and expert-recommended safety measures.

Mutant Deer With Flesh-Bubbles Spotted In US: Scientists Warn Of Deadly Wildlife Virus Spread, Know Safety Measures

Written by Muskan Gupta |Updated : August 26, 2025 2:00 PM IST

In the past few months, there have been shocking pictures of animals exhibiting abnormal growth all over the United States that have caused a lot of interest in people all over the world. Frankenstein rabbits with horn-like protrusions, zombie squirrels with oozing tumours, and now deer with flesh-bubble growth have enticed the masses. This has caused panic due to the seeming apocalyptic appearances, but researchers have assured that these are what are known as viral infections amongst wildlife species.

Mutant Deer With Flesh-Bubbles Spotted In US: What is Deer Cutaneous Fibroma?

The round, saclike growths that deer carry on their skin have been diagnosed as cutaneous fibromas, more popularly referred to as deer warts. These are harmless wart-like lesions that are caused by a species-specific papillomavirus. Such fibromas are common on the head, neck and legs of deer and may be either small nodules or larger, more prominent masses. The condition is also mainly passed along by the bite of insects like mosquitoes and ticks, which are more common during warm weather.

Are Humans And Pets Safe From The Virus?

As a matter of notice to wildlife experts, these growths are harmless to both people and pets. The viruses that cause these conditions are only specific to specific wildlife species and do not transfer to human beings. In addition, in most cases, fibromas clear up by themselves without the help of a doctor. In particular cases where the growths make the animal unable to eat, move, and/or see, euthanasia can be provided as a humane alternative.

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Surge in Wildlife Diseases

This upsurge in deformed wildlife reports is not the first. Earlier this year, Colorado saw an outbreak of "Frankenstein rabbits", where cottontail bunnies were growing long, horn-like growths out of their heads and molars as a sign of the Shope papilloma virus. And in the same way, squirrels in certain areas of the United States and Canada have been shown to be diagnosed with large, wart-like growths, known as squirrel fibromatosis, which is due to a poxvirus.

How Does The Virus Spread?

Experts believe that climate change might be responsible for the spread of these diseases. A warmer climate has also resulted in higher numbers of insects that transmit the virus, making their spread to the wildlife population much easier.Moreover, the migration of wildlife into the cities could escalate the possibility of human-animal interactions, of which there is concern with zoonotic infections.

How To Protect Yourself From The Virus?

Those who are staying near the forest where the virus is spreading among the animals should follow certain safety measures that can help them stay safe and protected from the deadly and unknown virus:

  1. Make sure to use insect repellents to keep the mosquitoes at bay.
  2. Maintain basic hand hygiene.
  3. Immediately wash your hands after coming home from outside.
  4. Avoid touching wild animals at any costs.
  5. Make sure to keep your hands clean with proper soap and water. You can also use sanitizers.
  6. Those staying near the forest area where the virus is spreading should also keep their houses clean and sanitized.

Stay informed, stay safe!

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FAQs

Is this virus dangerous to humans?

Currently, there’s no evidence it infects humans, but contact with infected animals should be avoided.

What is causing the flesh-bubbles on deer?

Scientists say a viral infection is responsible for the abnormal growths on deer.