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Influenza (flu): An overview

This year, it is more important than ever to get a flu shot. Learn about the flu shot and COVID-19, symptoms of flu and flu prevention.

Viral gastroenteritis (stomach flu)

Stomach flu is an infection that causes inflammation of the stomach and intestines. Learn the symptoms and treatment of stomach flu.

Viral respiratory infection

Viral respiratory infection is a general term for lung and airway infections. Read about different viruses that can cause viral respiratory infections and treatment options.

Immunization schedule for children

Read about types of immunizations that are recommended during a child's first year of life and onward.

Primary immune deficiency (PID)

This page explains the diagnosis and treatment of primary immune deficiency (PID), a genetic condition that weakens the immune system.

Common types of vaccines

Vaccines help to protect you against many different diseases. Learn about different vaccines and how to keep track of which vaccines you have had.

Invasive group A streptococcal disease (iGAS)

Invasive group A streptococcal disease (iGAS) is a serious infection that occurs when bacteria called group A beta-hemolytic streptococci (GAS) spread to different organs in the body.

Benign acute childhood myositis (viral myositis)

Learn about benign acute childhood myositis, a condition that causes muscle pain in children with viral infections.

Coronavirus disease 2019 (COVID-19)

Learn about the signs and symptoms of COVID-19, who is at greatest risk, how it is diagnosed and how to prevent spread of the virus.

Talking to kids about serious illness

Learn about how to talk to your child about serious illness and how to answer some of the common questions and concerns they may have.

Vaccines: Concerns about immunizing your child

Learn about the safety of vaccines, their side effects, how they are given and what they protect your child against.

Mastoiditis

Mastoiditis is an infection caused by bacteria within the bone behind the ear. Learn more about what causes mastoiditis and find out how it is diagnosed and treated.

Respiratory syncytial virus (RSV)

RSV is a virus that infects the lungs and airways and causes respiratory illness, especially in children. Learn how you can help your child if they have RSV.

Safe use of antibiotics

Learn how to use antibiotics appropriately to prevent antibiotic resistance, which can cause antibiotics to be less effective in the future.

Hemophilia and cigarette smoking

Teens living with hemophilia can learn why smoking is bad news for their health.

Methicillin-resistant Staphylococcus aureus (MRSA)

Methicillin-resistant Staphylococcus aureus (MRSA) is a type of bacteria that can cause infections ranging from mild to severe. Read about prevention and treatment of MRSA infections.

Fever in a returning traveller

Find out what to look out for and when to see a doctor if your child has a fever after travelling abroad.

Heat-related illness in young athletes

Learn how to prevent and treat heat-related illness in children and teens who exercise in hot and humid conditions.

Diabetes and sick day management

Being sick can impact your child's blood sugar levels. Find tips on how to manage diabetes on sick days.

Bronchiolitis

Bronchiolitis is an infection of the lungs caused by a virus that most children will get by the time they are two. Usually, it is not a serious illness and goes away within seven to 10 days. Cough associated with bronchiolitis can last for a few weeks.

Immunosuppression: Protecting children with weak immune systems

If your child has a weak immune system learn how to protect them against infection.

Other questions about juvenile idiopathic arthritis (JIA) medications

Colds (viral upper respiratory infections)

Colds are caused by viral infections in the nose and throat. Learn about the causes, duration, prevention and treatment of viral upper respiratory infections.

Other questions about juvenile idiopathic arthritis (JIA) medications

Learn the answers to some common questions about JIA medications including which vaccinations are safe to take, and the role of complementary and alternative medicines, and how they can affect your child.

Heat-related illness: How to prevent

Learn how to prevent, recognize and treat dehydration and other heat-related illnesses in children.