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The H1N1 form of swine flu is one of the descendants of the strain that caused the 1918 flu pandemic. [71] [72] As well as persisting in pigs, the descendants of the 1918 virus have also circulated in humans through the 20th century, contributing to the normal seasonal epidemics of influenza. [72]
CHICAGO (Reuters) -H5N1 bird flu was confirmed in a pig on a backyard farm in Oregon, the first detection of the virus in swine in the country, the U.S. Department of Agriculture said on Wednesday.
On April 18, 2024, H5N1 was detected in ducks in Alappuzha district, Kerala. 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.
The cost of a flu season in lives lost, medical expenses and economic impact can be severe. In 2017, the World Health Organization (WHO) estimated that the seasonal flu causes 290,000 to 650,000 annual deaths worldwide. [31] In 2003, the WHO estimated that the cost of flu epidemics in the United States was US$71–167 billion per year. [32]
In previous influenza pandemics (not caused by H5N1), IFR estimates have ranged from to 2-3% for the 1918 pandemic, to about 0.6% for the 1957 pandemic, [1] to 0.2% for the 1968 pandemic. Between 2003 and December 2024, the World Health Organization has recorded 963 cases of confirmed H5N1 influenza, leading to 465 deaths. [2]
A lingering bird flu outbreak, combined with soaring feed, fuel and labor costs, has led to U.S. egg prices more than doubling over the past year, and hatched a lot of sticker shock on grocery ...
A H5N1 vaccine is an influenza vaccine intended to provide immunization to influenza A virus subtype H5N1. Vaccination of poultry against the avian H5N1 influenza epizootic is widespread in certain countries. [6] [7] Some vaccines also exist for use in humans, and others are in testing. As of July 2024 these include Aflunov, Celldemic and ...
The 1889–1890 pandemic, often referred to as the Asiatic flu [55] or Russian flu, killed about 1 million people [56] [57] out of a world population of about 1.5 billion. It was long believed to be caused by an influenza A subtype (most often H2N2), but recent analysis largely brought on by the 2002-2004 SARS outbreak and the COVID-19 pandemic ...