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H5N1 influenza virus is a type of influenza A virus which mostly infects birds. H5N1 flu is a concern because its global spread may constitute a pandemic threat. The yardstick for human mortality from H5N1 is the case-fatality rate (CFR); the ratio of the number of confirmed human deaths resulting from infection of H5N1 to the number of those confirmed cases of infection with the virus.
The District Collector decided to initiate the process of culling domestic birds within a 1 kilometre (0.62 mi) radius from the epicentre of the outbreak. [45] By May 9, 2024, district officials had culled 60,232 birds in Alappuzha. Farmers were compensated ₹100 per ducklings and chicks, ₹200 per older bird, and ₹5 per egg destroyed. [46]
Influenza A virus subtype H5N1 (A/H5N1) is a subtype of the influenza A virus, which causes the disease avian influenza (often referred to as "bird flu"). It is enzootic (maintained in the population) in many bird populations, and also panzootic (affecting animals of many species over a wide area). [1]
While the mortality rate was 0.6 per cent for Covid-19, Redfield said the mortality for the bird flu would probably be “somewhere between 25 and 50 per cent.”
Avian influenza, also known as avian flu or bird flu, is a disease caused by the influenza A virus, which primarily affects birds but can sometimes affect mammals including humans. [1] Wild aquatic birds are the primary host of the influenza A virus, which is enzootic (continually present) in many bird populations.
Redfield predicts the mortality is “probably somewhere between 25 and 50 percent mortality.” NewsNation noted that the death rate for COVID was 0.6 percent.
The global spread of H5N1 influenza in birds is considered a significant pandemic threat. While other H5N1 influenza strains are known, they are significantly different on a genetic level from a highly pathogenic, emergent strain of H5N1, which was able to achieve hitherto unprecedented global spread in 2008. [1]
The overall case-fatality rate was highest in 2004 (73%), followed by 63% to date in 2006, and 43% in 2005. Assessment of mortality rates and the time intervals between symptom onset and hospitalization and between symptom onset and death suggests that the illness pattern has not changed substantially during the three years.