How many forms of avian flu exist?

Many, many strains. Exist but almost all of them are unable to infect humans. Some are quite pathogenic in birds, others not.

Related Questions

What causes Avian Flu?

Influenza virus. There are many strains (family members) of influenza virus all over the world. Some strains affect animals and others humans. When a strain that "normally" infects animals develops the ability to infect humans, that is potentially dangerous because humans may have never had to fight off (become immune to) that strain. The "avian flu strains" come from birds. Swine flu strains came from pigs. Read more...

How do I know if I have avian flu?

See Inf. Dx. Sp. Electron microscopy, determine gene sequence in Atlanta by CDC. I pray you don't; i just hate plagues. Ok, ok call your internist; then we'll seal off your neighborhood. Read more...
Avian Flu. Symptoms of avian flu include fever, cough, sore throat, muscle aches ; pains ; occasionally conjunctivitis or gastrointestinal symptoms. Make sure to let your doctor know if you have recently traveled in areas where there are reported cases of avian flu. Nose ; throat can be sampled to test for flu. Lung x-rays may be taken as well. Read more...

What are the symptoms of Avian Flu?

See below. Patients have presented with respiratory tract infections, many of which have progressed to severe pneumonia. Presenting signs and symptoms may include fever, cough, dyspnea, headache, myalgias, and malaise. . Read more...

At what rate will the avian flu mutate?

Hard to know. Your question could be understood in different ways. Nonetheless , future is hard to predict. Read more...

What are the risk factors for Avian Flu?

Birds. Avian flu is caused by influenza viruses that mostly live in certain types of birds and make them sick. Very rarely such strains of flu virus will infect humans and make them sick. When such strains are found, the bird flock is usually killed. The area of the world, the person's nearness to sick birds and the strength of the person's immune system are all important factors in a person's risk. Read more...