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SIMILARITIES

• [Current situation in human infections with highly pathogenic avian influenza viruses].

• (Highly pathogenic) avian influenza as a zoonotic agent.

DIFFERENCES

AVIAN INFLUENZA

• These viruses naturally spread among wild aquatic birds worldwide and can infect domestic poultry and other bird and animal species.

• Bird flu viruses do not normally infect humans.

• sporadic human infections with bird flu viruses have occurred.

AH1N1 INFLUENZA

• causes upper and in some cases lower respiratory tract infections in its host.

• This results in symptoms such as nasal secretions, chills, fever, decreased appetite, and in some cases, lower respiratory tract disease.

• H1N1 swine flu leads to respiratory disease that can potentially infect the respiratory tract of pigs.