What causes pandemic flu?
Pandemic flu arises when a new flu virus, one which is markedly different from any recently circulating strain, appears and spreads rapidly and widely across the globe.
There are currently six phase descriptions used by the World Health Organisation (WHO) for pandemics. Phases 1-3 correlate to preparedness and planning and 4-6 signal the need for response and mitigation. The phases in more detail are:
Phase 1 – no viruses circulating in the animal population are causing human infection.
Phase 2 – animal influenza circulating among domestic or wild animals is known to have caused infection in humans.
Phase 3 – an animal or human-animal influenza has caused sporadic cases or clusters in people and limit human-to-human transmission.
Phase 4 – verified human to human transmission and “community-level outbreaks”
Phase 5 – human to human spread in at least two countries in one of the WHO regions
Phase 6 – Phase 5 requirements met and community level outbreaks occur in at least one other country in a different WHO region
Is there a vaccine to protect against pandemic flu?
Until a pandemic flu arrives a vaccine to protect against it cannot be made, as it is a new virus it, therefore, needs the production of a new vaccine to give protection. Ordinary seasonal flu vaccines will not protect against pandemic flu.
Are there drugs available for treatment?
There are known drugs available, which can reduce the severity and duration of the illness. The UK government has a stock of these anti-viral drugs against the contingency of a flu pandemic.
How can I protect my family and myself if a flu pandemic arrives in the UK?
These viruses are spread through the air when people cough or sneeze, so there are some basic measures, which you can take to reduce the risk of infection. Facemasks will have little place in preventing the spread of the virus, but you can reduce the likelihood of spreading the virus by adhering to the following:
- When you sneeze or cough make sure that, whenever possible, you cover both your nose and mouth with a good quality tissue, and make sure that this tissue is promptly and carefully placed in a bag before binning;
- Wherever possible, avoid non-essential travel and contact with large crowds;
- Maintain good basic hygiene, for example washing your hands frequently with soap and water to reduce the spread of the virus from your hands to your face, surfaces or other people (this means lathering the hands with soap for at least 20 seconds before rinsing off);
- Make sure that hard surfaces which people touch which may be contaminated, such as door handles, lift buttons, taps, etc. are frequently and properly cleaned, using normal cleaning products and disinfectant; and
- Make sure that your children also follow the above advice.
If you do catch flu, the symptoms of which include the sudden onset of high temperature, muscle aches and pains, tiredness, cough, sore throat and stuffy or running nose, then do the following:
- Stay at home and rest;
- Take medicines such as aspirin, ibuprofen or paracetemol to relieve the symptoms following the instructions with the medicines, (please note that children under 16 must not be given aspirin or ready-made flu remedies containing aspirin); and
- Drink plenty of fluids.
In the event of pandemic flu arriving in the UK look for advice from the Department of Health through their media campaigns and websites. The World Health Organisation has a system in place to watch for pandemic flu and the UK government has an influenza pandemic contingency plan, which would be put into action if required.
For further information on Pandemic Flu see:
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