Avian Influenza Physical Description

Avian Influenza Physical Description

Avian influenza is caused by the virus of genus Influenza virus A of the Orthomyxoviridae family. There are several subtypes of this virus. Currently 15 H and 9 N subtypes have been recognized and are mostly responsible for spreading avian influenza in birds and humans.

The avian influenza disease is lethal and can result in death of poultry.  Influenza A virus remains active for as long as 3 days in the infected faeces at a temperature of around 20 ° C. They are also present in the tissues for more than 20 days at an ambient temperature or in cool surroundings.

When the avian influenza virus infect the poultry, they cause a lot of health complications like oral and nasal discharges, diarrhea which is greenish in color, noisy distressed breathing, signs of nervousness and even death. There is also a significant decrease in the egg production. Humans can contract this disease when they come in contact with the sick bird or its faeces. This virus can cause conjunctivitis and also other respiratory complications.

In addition to birds and humans, this virus can also infect various mammals like whales, minks, seals, horses and pigs.

The viruses become inactive under direct sunlight or at a high temperature of 56 ° C for 3 hours or 60 ° C for 30 minutes or when the pH value is less than 5 or greater than 8. They are also inactivated by various oxidizing agents and lipid solvents. You can use registered disinfectants like peracetic acid and formalin to clean up the surfaces which you think may be contaminated by the virus.

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Avian Influenza Physical Description