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The influenza viruses that caused the Hong Kong flu (magnified approximately 100,000 times) The Hong Kong flu was the first known outbreak of the H3N2 strain, but there is serologic evidence of H3N1 infections in the late 19th century. The virus was isolated in Queen Mary Hospital. [180]
The influenza viruses that caused Hong Kong flu (magnified about 100,000 times) The Hong Kong Flu was a flu pandemic caused by a strain of H3N2 descended from H2N2 by antigenic shift, in which genes from multiple subtypes reassorted to form a new virus. This pandemic of 1968 and 1969 killed an estimated one million people worldwide.
The Hong Kong flu was a category 2 flu pandemic caused by a strain of H3N2 descended from H2N2 by antigenic shift, in which genes from multiple subtypes reassorted to form a new virus. This pandemic killed an estimated 1–4 million people worldwide.
The 1957–1958 Asian flu pandemic was a global pandemic of influenza A virus subtype H2N2 that originated in Guizhou in Southern China. [3] [4] [1] The number of excess deaths caused by the pandemic is estimated to be 1–4 million around the world (1957–1958 and probably beyond), making it one of the deadliest pandemics in history.
Metropark Hotel in Wan Chai while it was under quarantine because of the first reported case of swine flu in Hong Kong. The 2009 flu pandemic in Hong Kong was part of the worldwide pandemic that started with the city's first reported case of influenza A virus subtype H1N1 infection, commonly called swine flu, on 1 May 2009, by a Mexican national who had travelled to Hong Kong via Shanghai.
The Asian H5N1 virus was first detected in Guangdong Province, China, in 1996, when it killed some geese, but it received little attention until it spread through live-poultry markets in Hong Kong to humans in May 1997, killing 6 of 18 infected people. [...] From 1997 to May 2005, H5N1 viruses were largely confined to Southeast Asia, but after ...
There are two different influenza A dog flu viruses: one is an H3N8 virus and the other is an H3N2 virus. [89] The H3N8 strain has evolved from an equine influenza avian virus which has adapted to sustained transmission among dogs. The H3N2 strain is derived from an avian influenza which jumped to dogs in 2004 in either Korea or China. [89]
In 1968, H3N2 was introduced into humans through a rearrangement between an avian H3N2 strain and an H2N2 strain that was circulating in humans. The novel H3N2 strain emerged in Hong Kong and spread worldwide, causing the Hong Kong flu pandemic, which resulted in 500,000–2,000,000 deaths. This was the first pandemic to spread significantly by ...