Hong Kong flu | |
---|---|
Disease | Influenza |
Virus strain | H3N2 strain of Influenza A virus |
Dates | 1968–1969 |
Deaths | between 1 and 4 million |
Fatality rate | 0.2% |
The Hong Kong flu, also known as the 1968 flu pandemic, was a flu pandemic that occurred in 1968 and 1969 and which killed between one and four million people globally.[1][2][3][4][5] It is among the deadliest pandemics in history, and was caused by an H3N2 strain of the influenza A virus. The virus was descended from H2N2 (which caused the Asian flu pandemic in 1957–1958) through antigenic shift, a genetic process in which genes from multiple subtypes are reassorted to form a new virus.[6][7][8]