Narticulos influenza aviar pdf

Las infecciones por h7n9 en seres humanos fueron detectadas por. In 2004, an outbreak of highly pathogenic avian influenza h7n3 occurred in poultry in british columbia, canada. Zoonotic potential of highly pathogenic avian h7n3 influenza. There are many different subtypes of influenza a viruses. No studies of the effects of the pakistani h7n3 influenza viruses in mammalian models have been reported. Surveillance identified two persons with confirmed avian influenza infection.

Aug 01, 2009 h7 influenza viruses have a propensity to cause conjunctivitis in humans belser et al. Gripe aviar contra costa health services spanishespanol. H7n3, causa gripe aviar y raramente afecta al hombre. Diagnosis is by isolation and characterisation of the virus. These subtypes differ and are classified based on a combination of two groups of proteins on the surface of the influenza a virus. The last pandemias were classified as spamsh flu in 19181919 h1n1, asian flu in 1957 h2n2 and the hongkong flu in 1967 h3n2, with the biggest death population in 1918. Fue identificada por primera vez en italia a finales. This fact sheet has information about bird flu and bird flu infections in people. The virus is found in high concentrations in saliva, nasal secretions, and feces. Pdf on jan 1, 2009, a sanchez and others published influenza aviar.

Highly pathogenic avian influenza hpai ah5n1 viruses have been circulating since 2003 in indonesia, with major impacts on poultry health, severe economic losses, and 168 fatal laboratoryconfirmed human cases. Human illness from avian influenza h7n3, british columbia. Thermal inactivation of avian influenza virus and newcastle disease virus in a fatfree egg product. I n f l u e n z a a v i a r 10 beatriz gracia aguado 1, almudena garcia nieto 1, sonia garcia gomez 1, cristina escacena sainz 1, irene garcia marcos 2. Guidance for huntersprotect yourself and your birds from. Norma oficial mexicana nom044zoo1995 campana nacional. Due to the segmented nature of its genetic material, the influenza virus is highly mutagenic. We performed phylogenetic analysis on 39 fullgenome h5n1 virus samples collected during outbreaks among poultry in 20152016 in west java and compared them with recently published.

Avian influenza the disease avian influenza ai is caused by specified viruses that are members of the family orthomyxoviridae and placed in the genus influenzavirus a. Most reported bird flu infections in people have happened after unprotected contact with infected birds or contaminated surfaces. The mixovirus influenzae is the agent that causes influenza, commonly called flu. There are some historical descriptions of this condition by ancient greek physicians, and the etiological agents have been known only for the last eight decades. Wild water birds like ducks and geese can be infected with bird flu viruses, but usually do not get sick. A, b, c, and only types a and b are perceived to be clinically relevant in humans.

If you continue browsing the site, you agree to the use of cookies on this website. Avian influenza that infects poultry in close proximity to humans is a concern because of its pandemic potential. How infected backyard poultry could spread bird flu to people. Influenza aviar gripe aviar e influenza aviar a h5n1.