Understanding Diseases Caused by Viruses

This question asks about a specific virus, Varicella zoster, and the disease it causes. Viruses are tiny infectious agents that can cause a variety of illnesses in humans and animals. Different viruses are responsible for different diseases.

Let's look at the options provided and identify which one is caused by the Varicella zoster virus.

Varicella Zoster Virus and its Associated Disease

The Varicella zoster virus (VZV) is a type of herpes virus. It is well-known for causing two distinct illnesses:

• The primary infection, which is highly contagious and usually occurs during childhood.
• A later reactivation of the virus in the body.

The disease caused by the primary infection with the Varicella zoster virus is commonly known as Chickenpox.

Chickenpox is characterized by a rash that turns into itchy, fluid-filled blisters, which eventually scab over. It can also cause fever, fatigue, and headache. After a person recovers from Chickenpox, the Varicella zoster virus remains dormant in the nerve cells. It can reactivate later in life, causing shingles (also known as herpes zoster).

Analyzing the Other Options

Now let's briefly consider the other diseases listed in the options to confirm they are not caused by the Varicella zoster virus.

• Cholera: This is a severe diarrheal disease caused by infection of the intestine with the bacterium Vibrio cholerae. It is typically spread through contaminated water or food.
• Rabies: This is a deadly viral disease caused by the rabies virus, which is usually transmitted to people through the bite of infected animals. It affects the central nervous system.
• Polio: This is a highly infectious viral disease caused by the poliovirus. It can cause paralysis and is spread through contaminated food or water, and contact with an infected person's feces or droplets from sneezes/coughs.

Based on scientific understanding, the disease caused by the Varicella zoster virus is Chickenpox.

Comparison of Diseases and Causes

Here is a quick comparison of the diseases mentioned and their causes:

The table clearly shows that Chickenpox is caused by the Varicella zoster virus.

Conclusion on Varicella Zoster and Chickenpox

Therefore, the disease caused by the virus named 'Varicella zoster' is Chickenpox.

Revision Table: Key Facts on Varicella Zoster Virus

Additional Information: Preventing Varicella Zoster Infection

The best way to prevent Chickenpox and shingles is through vaccination. The Varicella vaccine is available for children and adults who have not had Chickenpox. A separate zoster vaccine is available for older adults to prevent shingles.

Understanding the specific viruses like Varicella zoster virus and the diseases they cause, such as Chickenpox, is important for prevention and treatment.