H5n1 Bird Flu Wiki

The highly pathogenic influenza a virus subtype h5n1 is an emerging avian influenza virus that is causing global concern as a potential pandemic threat.

H5n1 bird flu wiki. The 1997 avian influenza outbreak also called bird flu was a highly pathogenic avian influenza a h5n1 outbreak known to be the first to be transmitted to humans. A bird adapted strain of h5n1 called hpai a h5n1 for highly pathogenic avian influenza virus of type a of subtype h5n1 is the causative agent of h5n1 flu. It occurred in hong kong in 1997 when humans started acquiring the virus directly from chickens without the involvement of an intermediate host. A h5n1 vaccine is an influenza vaccine intended to provide immunization to influenza a virus subtype h5n1.

Likewise annual flu vaccination includes inoculation against a type a human h1n1 flu leading to the possibility that the annual flu shot or flumist inoculation might confer some immunity against h5n1 bird flu infection and indeed testing the blood of volunteers to look for immune response to h5n1 found that some blood samples showed immunity. Infected birds pass on h5n1 through their saliva nasal secretions and feces. It is enzootic maintained in the population in many bird populations especially in southeast asia. Vaccines have been formulated against several of the avian h5n1 influenza varieties.

Some vaccines also exist for use in humans and others are in testing but none have been made available to civilian. It is both epizootic an epidemic in non humans and panzootic a disease affecting animals of many species especially over a wide area. China has reported an outbreak of the h5n1 bird flu in hunan which borders the province of hubei the epicenter of the novel coronavirus outbreak. H5n1 is a subtype of the influenza a virus the viruses responsible for influenza in humans and many other animal species.

The new bird flu outbreak was reported on feb. The h5n1 strain is a fast mutating highly pathogenic avian influenza virus hpai found in multiple bird species. Vaccination of poultry against the h5n1 epizootic is widespread in certain countries.