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Avian Influenza (Bird Flu)

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by

Veronica Auger

on 26 September 2014

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Transcript of Avian Influenza (Bird Flu)

Thank You!
What is it?
Avian Influenza A (H5N1 and H7N9) is also known as the Bird Flu
It is an infectious viral disease among birds
Outbreak
1997- Hong Kong, China saw the first poultry outbreak that infected humans
after the initial discovery of the disease in 1997, it re-emerged in 2003 and 2004 where is spread from Asia to Europe and Africa
The outbreak resulted in several hundred human cases and many human deaths
outbreaks seriously impact lives, the economy, and international trade
Chain of Infection
Human-to-Human
Luckily the virus hasn't developed to be able to transmit with human-to-human contact
Also, the virus cannot be spread to people through cooked poultry or eggs
H5N1 is the form of the avian influenza that humans contract
Course of the Avian Flu
H5N1- aggressive virus with rapid deterioration and high fatality
longer incubation period than seasonal flu: around 2 to 8 days and can last as long as 17 days
History
Veronica Auger
Avian Influenza (Bird Flu)
Causitive
Agent:
Influenza
Virus
Reservoir:
Bird

Mode of Transmission:
direct/indirect contact with infected poultry
Portal of Exit:
blood, bodily
fluids of bird
Portal of Entry:
mucous
membranes
or open wounds
Susceptible
Host:
People working
directly with
poultry
BIRDS/HOSTS
WITHOUT A HOST VIRUSES CANNOT SURVIVE
Signs & Symptoms
high fever
cough
sore throat
diarrhea
vomiting
abdominal pain
chest pain
severe muscle aches
bleeding from nose and gums
Treatment:
Two antiviral drugs:
1. Oseltamivir
2. Zanamivir
Lower viral replication and improve outcomes of survival
Should be prescribed within first 48 hours of symptoms onset
Severe Cases: daily dose and duration should be increased
Vaccine

there is no vaccine against the bird flu yet
the seasonal flu vaccine does not protect against avian flu
Prevention
1. Don't travel to countries that have experienced cases/outbreaks of the avian flu
2. build up a strong immune system with a:
well-balanced diet
regular exercise
rest
less stress
not smoking


Precautions for Healthcare Providers:
Standard Precautions: ex. wash your hands before and after patient care

Contact Precautions: ex. PPE, disposable equipment

Airbone Precautions: ex. negative air pressure, air recirculated with high efficieny HEPA filter, health care providers should be fitted with a mask
Comfort Measures for Healthcare Providers:

repositioning every 2 hours
make sure patient is comfortable
has access to call light at all times
check in for bathroom reliefs
help with ADL's
Safety Measures:

wear the proper PPE
exercise Standard Precautions
maintaining good health
Full transcript