Bird flu

BIRD FLU VIRUS (AVIAN INFLUENZA)
- Editorial Team

What is bird flu?

Bird flu is a virus that is caught through close contact with live infected birds.

Infected birds excrete the virus in their droppings. When the droppings dry & turn to powder, they can then be inhaled by humans to cause bird flu.

Bird flu can not be passed from human to human. However, if the virus mutates, such human to human transfer could become possible. If this happens, there could be a bird flu pandemic (worldwide infection) with catastrophic effects.

There are 15 different strains of the virus - the H5N1 strain is the one that infects humans.

The Health Protection Agency estimates that if a bird flu outbreak reaches the UK, around a quarter of the population could be affected.

What are the symptoms of bird flu?

Bird flu symptoms are similar to other types of flu:

- sore throat
- cough
- fever
- general aches
- malaise

Is there a bird flu vaccine?

H5N1 vaccine offers some protection against the virus. Flu vaccines are only available on prescription.

What is the treatment of bird flu?

The anti-viral drugs Tamiflu (oseltamivir) & Relenza (zanamivir) reduce the severity of flu symptoms and can shorten the length of illness.

Taken within 48 hours of the onset of symptoms, these anti-viral drugs attack the flu virus and stop it from spreading inside the body.

To be effective, treatment with an anti-viral drug must be started within 2 days of flu exposure. These drugs may also be indicated for the prevention of bird flu.