The Symptoms of Avian Human Influenza

Avian is another word for bird. When flu bugs firstWorld Health Organization (WHO). 148 deaths
infect one species and then later infect humans,worldwide have been attributed to the H5N1 virus,
they are often called by a name that reflects thewhich is why there is a major effort to control
original animal that carried the virus. Swine andand fight avian influenza outbreaks and inform the
now avian human influenza are examples.public about safe handling practices.
Whether it is called bird flu or avian influenza,Avian human influenza symptoms have been
efforts to fight it are the same. In order to fightreported in many countries in Asia and the Middle
avian influenza in humans, the public must beEast, but most have occurred in small villages and
aware of the threat and practice good healthoutlying areas of Indonesia and Vietnam. Most
habits to avoid contamination.confirmed cases have resulted from contact with
Although wild birds carry the viruses, they do notinfected domesticated birds or contact with
usually have symptoms. It is domesticated birdssurfaces contaminated by the feces and fluids
(chickens, ducks and turkeys) in which avianfrom infected birds. The symptoms of avian
influenza symptoms cause sickness andhuman influenza are typical flu-like symptoms such
sometimes death. The symptoms in domesticatedas fever, sore throat, cough and muscle aches.
poultry may be mild causing ruffled feathers andBut, in some confirmed cases the symptoms
low egg production or severe causing disease thathave included eye infections, pneumonia, severe
affects multiple organs and death in 90-100% ofrespiratory diseases, acute respiratory distress
flocks in as little as 48 hours. It is believed thatand other severe and life-threatening
the degree of difference in the symptoms iscomplications. As with poultry, The Center for
related to the strain of the virus infecting theDisease Control (CDC) believes that the wide
birds.range of avian flu symptoms in humans may
Avian human influenza cases are rare. However,depend on which strain of avian human influenza
253 confirmed cases have been reported sincevirus the person was infected with.
2003, according to statistics compiled by the