Avian flu, like other types of influenza, is caused by a virus that infects the respiratory system. As a result, effects on the body often focus on the throat, nose, and lungs. … In addition, some strains of bird flu cause eye infections. Read More Here…
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Influenza, or the flu, is an infection of the respiratory system caused by one of many different types of influenza virus. Not all of these viruses infect humans. Avian flu is a type of influenza that usually afflicts birds or pigs.
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