H1N1 influenza (swine flu) is an infection caused by a virus. H1N1 influenza is easily spread when an infected person coughs, sneezes, or has close contact with others. Your child may be able to spread H1N1 influenza to others for 1 week or longer after signs or symptoms appear.
What are the signs and symptoms of H1N1 influenza?
Severe symptoms are more likely in children younger than 5. They are also more likely in children who have heart or lung disease, or a weak immune system. Signs and symptoms include the following:
- Fever and chills
- Headaches, body aches, earaches, and muscle or joint pain
- Dry cough, runny or stuffy nose, and sore throat
- Loss of appetite, nausea, vomiting, or diarrhea
- Tiredness
- Fast breathing, trouble breathing, or chest pain
- How is H1N1 influenza diagnosed?
Your child's caregiver will examine your child. Tell him if your child has health problems such as epilepsy or asthma. Tell him if your child has been around sick people or traveled recently. A sample of fluid is collected from your child's nose or throat and tested for the H1N1 influenza virus.
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