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What Is Cat Virus: Symptoms Treatment Prevention and Care

Madison Aug 04, 2026

7 Types of Common Cat Viruses Explained

What Is Cat Virus
What Is Cat Virus

Key Takeaways Viral disease is common in cats but can present in many different ways. Common cat viruses include feline immunodeficiency virus , feline leukemia virus , feline coronavirus, feline panleukopenia virus , feline herpesvirus, and calicivirus and rabies. Many of these viruses can be prevented by vaccination.

Feline Leukemia Vaccine Vaccinating Your Cat For FeLV
Feline Leukemia Vaccine Vaccinating Your Cat For FeLV

Feline immunodeficiency virus , or cat FIV, is a retrovirus infection first discovered in cats in the U.S. The virus is often referred to as cat HIV or cat AIDS because it has a similar effect on ...

Most Common Viral Diseases in Cats

Is Feline Leukemia Treatable
Is Feline Leukemia Treatable

Feline infectious peritonitis is a fatal disease of cats caused by feline coronavirus. Feline coronavirus infection is very common in cats , but in most cases causes no problems other than mild, self-limiting diarrhea. In rare cases, the virus mutates (changes) within an infected cat , and it is this mutated form that causes the disease called FIP.

Calicivirus in cats is a common virus in newly adopted furry family members that can lead to respiratory signs, limping, and decreased appetite. Medications may be needed to help alleviate feline calicivirus symptoms and help your cat feel better. Let's look at everything you need to know as a pet parent.

When To Euthanize A Cat With Feline Leukemia
When To Euthanize A Cat With Feline Leukemia

5 Types of Cat Viruses

Feline immunodeficiency virus (FIV) is another virus that can weaken a cat's immune system, making them more susceptible to other illnesses. Feline herpesvirus (FHV) is a common cause of upper respiratory infections in cats and can lead to symptoms such as sneezing, runny nose, and eye discharge.

Find out about the feline parvovirus and how your cat can get it. Learn about the early-stage symptoms, the treatment available, and how to keep your pet safe.

How To Know If A Cat Has Cancer
How To Know If A Cat Has Cancer

Calicivirus in Cats

Feline calicivirus (FCV) is a common viral infection of domestic cats . The virus causes upper respiratory disease that often closely resembles Feline Viral Rhinotracheitis (FVR), and both viruses can cause the syndrome known as " Cat Flu", with generalized inflammation of the upper respiratory tract and eyes, leading to sneezing, bilateral ocular discharge, a high temperature, dullness and ...

Feline herpesvirus is a virus affecting a cat's upper respiratory tract and the structures of their eye. Transmission occurs between cats by direct contact with infected oral, nasal, or eye secretions. Within 24 hours, a newly infected cat can transmit the feline herpes virus to other cats , so it's important to seek veterinary care immediately. Feline herpesvirus is the most common viral ...

Skin problems
Skin problems

Feline Immunodeficiency Virus (FIV)

Feline immunodeficiency virus (FIV) is one of the most common and consequential infectious diseases of cats around the world. In infected cats , FIV attacks the immune system, leaving the cat vulnerable to many other infections. Although cats infected with FIV may appear normal for years, they eventually suffer from immune deficiency, which allows normally harmless bacteria, viruses, protozoa ...

How Long Do Cats Live With Leukemia
How Long Do Cats Live With Leukemia
What s New in Feline Leukemia Virus Infection Veterinary Clinics
What s New in Feline Leukemia Virus Infection Veterinary Clinics
Canker Sores Symptoms Causes and Treatment
Canker Sores Symptoms Causes and Treatment
Feline Leukemia Symptoms Early and Advanced FeLV Signs In 2026
Feline Leukemia Symptoms Early and Advanced FeLV Signs In 2026
Feline Leukemia Symptoms Transmission Treatment and Vaccine
Feline Leukemia Symptoms Transmission Treatment and Vaccine

There are several infectious diseases that can affect cats . Learn about some common conditions and how to prevent their occurrence.