Talking about Avian Influenza Virus H7N9 or Bird Flu


Talking about Avian Influenza Virus H7N9 or Bird Flu

To define Avian Influenza Virus, it is a virus in bird flu strain of the species. Avian Influenza Virus or bird flu virus both are same. Avian Influenza H7N9 viruses circulate amongst an avian population with some variants which usually infects humans.

Moreover, An H7N9 virus was firstly reported in humans in China in march 2013. Thus, it was discovered that Avian Influenza tends to strike at the winter month’s, and the second wave which began in October.

What is avian influenza virus (H7N9)

According to The World health organisation (WHO) identified H7N9 as “an unusually dangerous virus for humans”. This virus resulted in most of the cases in respiratory illness. There has been no evidence to sustain human to human transmission of this virus. Also, the research on Avian Influenza regarding background and transmission is ongoing.


Avian Influenza is a virus that infects and transits among one animal species and sometimes can cross over and cause illness to another species. To tell the truth, Influenza virus has eight different gene segments. The segmented genome allows Influenza virus from different species to mix and create a new virus if Influenza A virus from two different species infects the same person or animal. If we talk about Avian Influenza, its A virus may be transmitted to animals to humans in two different ways:

  • Directly from Birds or from Avian Influenza A virus contaminated environment to people.
  • Through an Intermediate host, such as a pig.

Avian Influenza H7N9


According to WHO symptoms of Avian Influenza includes fever, cough and shortness of breath, which may progress to pneumonia, as well as it can cause illness to lower respiratory disease or respiratory failure.


Talking about Avian Influenza H7N9, sometimes, in addition to above nausea, abdominal pain, diarrhoea, vomiting and sometimes neurologic changes can be the symptoms of Avian Influenza. This virus can cause serious illness and as well as deaths. In light of these symptoms, this Avian Influenza can be suspected. This is how we talk about Avian Influenza Virus.

Efforts to Prevent this virus

Talking about Avian Influenza H7N9, virus occurs due to direct close or prolonged contact with sick or dead infected poultry. Infected birds shed Avian Influenza in their saliva mucous and faeces. Therefore, human infection with Avian Influenza with enough virus gets into a person’s eyes, nose or mouth or is inhaled.

Not to mention, people who work in poultry are advised to follow recommended biosecurity and infection control practices, this includes a use of appropriate personal protective equipment and careful attention to hand hygiene. Furthermore, poultry outbreak responders should adhere to guidance from CDC and WHO and receive seasonal Influenza vaccine annually additionally take prophylactic antiviral medication. Hence, it is advised to follow all these suggestions.

Prevent flu

Tags: Prevent Avian influenza, Symptoms of Avian Influenza, H7N9 Vaccine, infection control practices, virus in bird flu, respiratory failure.