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Coronavirus disease (COVID-19) 

What is COVID-19?

Coronavirus disease (COVID-19) is a contagious respiratory disease caused by the SARS-CoV-2 virus. Symptoms can be confused with a cold or the flu, however COVID-19 affects other parts of the body. Symptoms vary widely, with some people experiencing mild to moderate respiratory illness and others becoming seriously ill and needing medical care.  

The most common symptoms, include: 

  • fever or chills 
  • cough, shortness of breath or difficulty breathing  
  • tiredness, headache or body aches  
  • new loss of taste or smell  
Woman sick from COVID-19 on bed at hospital waiting for doctor in checkup, visit or appointment.

If you develop symptoms that you think may be COVID-19, test right away.  

More severe symptoms such as difficulty breathing or shortness of breath, loss of speech or mobility, or confusion and chest pain may require emergency care.  

The virus is spread through respiratory droplets when an infected person coughs, sneezes, speaks, or breathes. It can take anywhere from 5 to 14 days from when you get infected with the virus for symptoms to show.  

How does COVID-19 affect people with asthma? 

For people with asthma, COVID-19 can trigger or worsen asthma symptoms. While anyone can get COVID-19, those with an underlying health condition such as moderate to severe asthma (especially if not well controlled) are more likely to develop serious illness from the virus which can lead to complications like pneumonia, hospitalization needing intensive care and being placed on a respirator breathing machine. 

Why get the COVID-19 vaccine? 

In Canada, evidence shows that COVID-19 vaccines are effective in preventing severe illness, hospitalization, and death from COVID-19. Though vaccination does not guarantee that you will not become infected with the virus, your risk of severe illness, hospitalization and death is lower if you have been vaccinated.

How do COVID-19 vaccines work?  

All COVID-19 vaccines are given by injection in the upper arm. The single-dose vaccine provides maximum protection against COVID-19 within a few weeks of having received it. However, you would need to complete the full vaccine series for the two-dose vaccine before achieving full protection (i.e.: the first dose provides only partial protection). 

 Types of COVID-19 vaccines in Canada? 

Here are the main types of COVID-19 vaccines available in Canada: 

mRNA vaccines:  These vaccines will make a protein in the body that will trigger an immune response, creating antibodies to fight the virus in your body. These vaccines do not use live virus. 

  • Moderna Spikevax COVID-19 Vaccine: 2 doses for a primary series and 1 dose as a booster.  
  • Pfizer-BioNTech Comirnaty COVID-19 vaccine: 2 doses for ages 5 years and older or 3 smaller doses for ages 6 months to under 5 years  

Protein-based vaccines:  These vaccines contain proteins similar to those in SARS-CoV-2 and are injected directly into the body to trigger an immune response. 

  • Novavax Nuvaxovid COVID-19 vaccine: 2 doses for people not previously vaccinated and 1 dose in individuals previously vaccinated.  

Please talk to your healthcare provider to help determine which COVID-19 vaccine is best for you. 

Little girl receiving vaccine from doctor

Asthma and Vaccines

People with asthma face a higher risk of serious illness from preventable diseases, making vaccination extremely important.

Lung Vaccination Working Group

Within Canada, vaccine uptake continues to be a significant area of concern.

Asthma Control Toolkit

Controlling Asthma

When asthma is unmanaged, it can put a pause on your life. Learn how to break breathlessness and press play on life.

Asthma Canada's FREE Asthma & Allergy HelpLine

If you have questions on asthma and vaccines, please contact our free HelpLine at 1-866-787-4050 or info@asthma.ca. Our team of asthma and allergy experts will happily assist you with your asthma control and help put your mind at ease.

Jaqueline Murdoch: Asthma and Vaccine Champion

Jaqueline Murdoch, 75, a retired IT manager and personal trainer, is a passionate advocate for vaccination, shaped by a lifetime of health challenges and early experiences with preventable diseases. Diagnosed with asthma in 2012, she manages her condition with a rigorous health routine and proactive vaccination. Jaqueline received all available COVID-19 doses, annual flu shots, and vaccines for shingles and pneumonia, seeing immunization as essential to reducing severe illness. Having witnessed the impact of diseases like polio and shingles, she urges others to “look at the science” and stay informed, firmly believing that vaccines are key to a long, healthy life.

Sometimes my asthma leaves me short of breath. How do I know it's not COVID-19?

Remember that asthma symptoms can flare up for a number of reasons, like seasonal allergies or an infection. You may be experiencing asthma symptoms due to an increased exposure to indoor triggers, simply because you are spending more time indoors.

Respiratory symptoms associated with COVID-19 are very similar to asthma symptoms, like shortness of breath and cough. Evolving research indicates that the symptom which differentiates asthma from COVID-19 is experiencing a “new” fever. Fever has been most common of any symptom to date in confirmed cases of COVID-19.

If you experience a sudden fever in addition to respiratory symptoms, you should immediately self-isolate and follow public health guidance on next steps.

I've heard that some medications put you more at risk for complications from COVID-19. Should I stop taking my medication?

No, DO NOT stop taking your medications as prescribed by your healthcare professional.

Stopping or modifying your medications without consulting your healthcare provider due to concern about COVID-19 is dangerous.

Right now, it is very important that you keep your asthma well controlled, and sticking to the treatment plan prescribed by your healthcare provider is a crucial part of this process. This means ALL asthma medications, including biologics.

I'm worried I'll run out of medication. Should I stock up?

Both the Canadian Pharmacists Association and Asthma Canada recommend that Canadians with asthma have a 30-day supply of medication on hand, should they become ill and are unable to visit a pharmacy or healthcare provider to obtain more medication.

The Canadian Pharmacists Association does not recommend more than a 30-day supply of medication (unless clinically justified) so that all Canadians can access the medication they need.

They state: “As the COVID-19 global pandemic continues to evolve, pharmacists are becoming increasingly mindful about the need to carefully manage our drug supply to weather some of the long-term impacts of the disease across the globe. Canadians rely on their medications and pharmacists are working to make sure that every patient has access to their medications when they need it.”

Read their full statement here.

Should I make changes to how I manage my asthma during the pandemic?

No, the current outbreak of coronavirus (COVID-19) does not require any change to what is normal good asthma control practices. People with asthma should be on a daily controller medication, so that they do not need to over rely on reliever medications. All people living with asthma should have and follow a written Asthma Action Plan and know how to use their medications accordingly.

You can use these resources to find out if your asthma is controlled:

I have a specific question about my asthma. Is there someone I can talk to?

If you have questions about your asthma, you can contact Asthma Canada’s Asthma & Allergy HelpLine free call-back service. Email info@asthma.ca or call 1-866-787-4050 to be connected with a Certified Respiratory Educator. 

*Please note we are experiencing slightly longer than normal response times, but will be sure to get back to you as soon as possible.

Is it safe for me to get the COVID-19 vaccine?

Yes! It is safe for people with chronic lung diseases like asthma to receive the COVID-19 vaccine.

Even though COVID-19 vaccines are being developed more quickly than usual, vaccine safety is still a top priority in all phases of vaccine development, approval and post-approval monitoring. While steps are being streamlined or overlapped, none of them are being skipped.

To learn more about COVID-19 vaccine safety, visit COVID-19: Vaccine Safety and Side Effects

Source: Immunize Canada

I’m on biologic therapy. Can I receive the COVID-19 vaccine?

Yes. It is safe for people with asthma on biologic therapy to be vaccinated against COVID-19. The Canadian Thoracic Society and the Canadian Society of Allergy and Clinical Immunology recommend that:

  • The COVID-19 vaccine should not be administered on the same day as a biologic therapy for asthma where possible.
  • Patients with asthma should ideally receive a COVID vaccine 72 hours apart from their regular biologic, to make it easier to tell what injection may have caused a problem if the patient has a reaction.
  • Individuals with a history of reaction to injectable medications, or a previous COVID-19 vaccine must advise the staff at the vaccination site.

Learn more here: https://cts-sct.ca/wp-content/uploads/2021/06/Final_Biologic-Therapy_COVID-19-Info-Sheet_EN.pdf

Source: Canadian Thoracic Society

How can I help my child with asthma stay safe during the pandemic?

It’s important that your child’s asthma remain in good control. A new study suggests that children with poorly controlled asthma are more likely to be hospitalized with COVID-19. 

  • Develop or update a written Asthma Action Plan with your family doctor or healthcare provider and make sure to share a copy with your child’s school and teacher. If your child doesn’t currently have an Asthma Action Plan, make an appointment with their healthcare provider to create one as soon as possible. Ensure your healthcare provider reviews your child’s inhaler technique.
  • Always ensure that your child has their reliever (rescue) medication on hand at all times. 
  • Ensure that your child takes their asthma controller medication throughout the year, even when symptom-free. Make sure you child is taking their asthma medications as prescribed and don’t stop unless advised by their healthcare provider to do so.
  • If they are eligible, ensure your child receives their COVID-19 vaccinations.
  • Identify your child’s asthma triggers and teach them how best to avoid them. Teach your child what to do in case of an asthma attack.
  • Demonstrate correct hand washing technique and discuss the importance of frequent hand washing.
  • Teach your children ways to cope with stress and anxiety as strong emotions and anxiety can trigger an asthma attack.
  • Ensure your child, and everyone in your home, has received their influenza (flu) and pneumococcal disease vaccinations.