Seasonal Influenza

Seasonal influenza is an acute respiratory infection caused by influenza viruses which circulate in all parts of the world.

The Pathogen

There are 4 types of seasonal influenza viruses, types A, B, C and D. Influenza A, and B viruses circulate and cause seasonal epidemics of disease.

Signs and symptoms

  • Sudden onset of fever
  • A cough (usually dry)
  • A headache, muscle and joint pain
  • Severe malaise (feeling unwell)
  • A sore throat and a runny nose

The incubation period is about 2 days, but ranges from one to four days, so the patient may be infective for other persons even 1 to 4 days before the symptoms appear.

Prevention

The most effective way to prevent the disease is vaccination.
Regular hand washing with proper drying of the hands.
Good respiratory hygiene – covering mouth and nose when coughing or sneezing, using tissues and disposing of them correctly.
Early self-isolation of those feeling unwell, feverish and having other symptoms of influenza.
Avoiding close contact with sick people.
Avoiding touching one’s eyes, nose or mouth.

 

Dr. Mohammad Nasim
General Practitioner
Thumbay Clinic, Abu Shagara

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