Influenza - Influenza Influenza, commonly referred to as...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Influenza Influenza, commonly referred to as the flu, is an infectious disease caused by RNA viruses of the family Orthomyxoviridae (the influenza viruses). Symptoms Symptoms of influenza can start quite suddenly one to two days after infection. Usually the first symptoms are chills, but fever is also common early in the infection, with body temperatures ranging from 38-39 °C. Other symptoms of influenza may include: Cough Sore throat Nasal congestion Fatigue Myalgia (especially around large joints) Headache Irritated, watering and red eyes In children, gastrointestinal symptoms such as diarrhoea, vomiting and abdominal pain are common Acute symptoms typically last for 3-4 days but the illness can last for a period of a few weeks. Rare complications of influenza include:- Hyperpyrexia with delirium, convulsions and coma (especially in the elderly) Acute bronchitis (especially in the elderly) Pneumonia secondary to bacterial infections Encephalitis Myocarditis Post-influenza depression Causes
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
There are three main types on influenza virus – A, B and C. Influenza A viruses are further classified,
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

Influenza - Influenza Influenza, commonly referred to as...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online