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Bird flu:
Bird flu, or avian flu, is an infectious type of influenza that spreads among birds. In rare cases, it can affect humans.
There are lots of different strains of bird flu virus. Most of them don't infect humans. But there are 4 strains that have caused concern in recent years:
H5N1 (since 1997)
H7N9 (since 2013)
H5N6 (since 2014)
H5N8 (since 2016)
Although H5N1, H7N9 and H5N6 don't infect people easily and aren't usually spread from human to human, several people have been infected around the world, leading to a number of deaths. H5N8 has not infected any humans worldwide to date.
Bird flu in the UK
No humans have been infected with H5N1, H7N9, H5N6 or H5N8 bird flu in the UK - this includes the type of H5N6 virus recently found in humans in China. Plans are in place to manage any suspected cases.
H5N8 bird flu has been found in some wild birds and poultry in the UK. H5N6 has also been found in some wild birds in the UK but is a different strain to that seen in China.
You can read the latest bird flu updates on GOV.UK.
How bird flu spreads to humans
Bird flu is spread by close contact with an infected bird (dead or alive).
This includes:
touching infected birds
touching droppings or bedding
killing or preparing infected poultry for cooking
Markets where live birds are sold can also be a source of bird flu. Avoid visiting these markets if you're travelling to countries that have had an outbreak of bird flu.
You can't catch bird flu through eating fully cooked poultry or eggs, even in areas with an outbreak of bird flu.
Things you can do to prevent bird flu
If you're visiting a foreign country that's had an outbreak you should:
wash your hands often with warm water and soap, especially before and after handling food, in particular raw poultry
use different utensils for cooked and raw meat
make sure meat is cooked until steaming hot
avoid contact with live birds and poultry
What not to do:
do not go near or touch bird droppings or sick or dead birds
do not go to live animal markets or poultry farms
do not bring any live birds or poultry back to the UK, including feathers
do not eat undercooked or raw poultry or duck
do not eat raw eggs
There is no bird flu vaccine
The seasonal flu vaccine doesn't protect against bird flu.
Symptoms of bird flu
The main symptoms of bird flu can appear very quickly and include:
a very high temperature or feeling hot or shivery
aching muscles
headache
a cough
Other early symptoms may include:
diarrhoea
sickness
stomach pain
chest pain
bleeding from the nose and gums
conjunctivitis
It usually takes 3 to 5 days for the first symptoms to appear after you've been infected.
Within days of symptoms appearing, it's possible to develop more severe complications such as pneumonia and acute respiratory distress syndrome.
Getting treatment quickly, using antiviral medicine, may prevent complications and reduce the risk of developing severe illness.
When to seek medical advice
Call a GP or NHS 111 if you experience any symptoms of bird flu and have visited an area affected by bird flu in the past 10 days.
Your symptoms can be checked over the phone.
If you're abroad
Get medical help straight away if you get the symptoms of bird flu.
Contact your travel insurance company if you need advice about where to get help.
What a doctor can do
Tell the doctor if you have:
recently travelled to an area affected by bird flu and if you've been close (within 1 metre) to live or dead birds
had close contact (touching or speaking distance) with anyone who has a severe respiratory illness
had contact with anyone who died unexpectedly and was from an area that had an outbreak
These tests can be done to confirm bird flu:
a nose and throat swab to see if they contain the virus
if you're coughing up phlegm this may be tested for the virus
If the tests are normal, it's unlikely you have bird flu.
Treatment for bird flu
If it's thought you might have symptoms of bird flu you'll be advised to stay at home, or you'll be cared for in hospital in isolation from other patients.
You may be given an antiviral medicine such as oseltamivir (Tamiflu) or zanamivir (Relenza).
Antiviral medicines help reduce the severity of the condition, prevent complications and improve the chances of survival.
They are also sometimes given to people who have been in close contact with infected birds, or those who have had contact with infected people, for example family or healthcare staff.
Reporting suspected cases of bird flu
Bird flu is a notifiable disease in animals, so you should report any suspected case in animals to the Animal and Plant Health Agency (APHA), even if you're not sure.
Call the Department for Environment, Food and Rural Affairs (Defra) helpline on 03459 33 55 77 if you find dead wild birds.
To prevent infection it is important not to touch or pick up any dead or visibly sick birds that you find.
You can read more about notifiable diseases in animals and how to spot bird flu and what to do if you suspect it on the GOV.UK website.
Page last reviewed: 18 May 2018
Next review due: 18 May 2021
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