Varicella (Chickenpox) Vaccination

What Is Varicella?

Varicella, commonly known as chickenpox, is a highly contagious viral infection caused by the varicella-zoster virus. It typically causes an itchy, blister-like rash along with fever, fatigue, and general discomfort.

While chickenpox is often considered a childhood illness, infection in adolescents and adults can be more severe, with a higher risk of complications. People who have never had chickenpox or were never vaccinated remain at risk of infection.

Varicella spreads easily through coughing, sneezing, and direct contact with fluid from the blisters. Because of how contagious it is, outbreaks can occur quickly in households, schools, workplaces, and during travel.

Protect yourself from serious complications and help stop the virus from spreading by getting your varicella vaccination at Destinations Travel and Immunization Clinic in Orléans, Ottawa.

The Government of Canada’s Varicella Page

Is Varicella Vaccination Required?

Varicella vaccination is not routinely required for international travel, and proof of vaccination is not required for entry into most countries.

However, vaccination is strongly recommended for travelers who:

• Have never had chickenpox
• Have not received the varicella vaccine
• Will be travelling to areas with limited access to medical care
• Will be in close contact with others, such as on cruises, group travel, or long stays abroad

Some schools, workplaces, and healthcare settings may require proof of immunity, particularly for healthcare or childcare workers.

A travel health consultation can help determine whether varicella vaccination is appropriate based on your health history and travel plans.

How Can I Protect Myself Against Varicella?

The most effective protection against varicella is vaccination.

The varicella vaccine is typically given as a two-dose series, which provides long-lasting protection against chickenpox and reduces the risk of severe illness.

In addition to vaccination:

• Avoid close contact with individuals who have active chickenpox
• Practice good hand hygiene
• Seek medical advice if you are unsure of your immunity status

If you are unsure whether you had chickenpox as a child, a healthcare provider can help determine whether vaccination is recommended.

Can Varicella Result in Serious Illness?

Yes. While many cases are mild, varicella can cause serious complications, especially in adults, pregnant individuals, and people with weakened immune systems.

Complications may include:

• Bacterial skin infections
• Pneumonia
• Encephalitis (inflammation of the brain)
• Hospitalization

In pregnancy, varicella can cause complications for both the parent and the developing baby.

There is no cure for varicella once infected, making vaccination the best form of prevention, especially for travelers.