Was there a vaccine for H3N2 in 1968?
The Division of Biologics Standards of the National Institutes of Health provided the A/Hong Kong/1968 (H3N2) vaccine virus to manufacturers in August 1968. However, before manufacturers had completed studies to determine its feasibility for producing a pandemic vaccine, a new vaccine virus became available.
How was the Hong Kong flu eradicated?
The H5N1 virus in Hong Kong seemed to be rarely transmissible from human to human. The 1997 H5N1 bird flu was once eradicated by the culling of all poultry in Hong Kong.
How contagious was the Hong Kong flu?
However, it descended from the earlier H2N2 Asian flu strain. Hong Kong Flu was highly contagious and spread fast – first across Southeast Asia, then the world, including Australia, Africa, Europe and South America, reaching the US via troops returning to California from Vietnam in October 1968.
Is H3N2 worse than H1N1?
Conclusions: Influenza A H3N2 infection was more severe than A H1N1 or B in terms of fever, leukopenia, and C-reactive protein. Myalgia and other symptoms such as fever, headache, general malaise and sore throat were equally frequent in influenza A H3N2, A H1N1, and B infections.
How long did the 1968 flu last?
1968 flu pandemic, also called Hong Kong flu pandemic of 1968 or Hong Kong flu of 1968, global outbreak of influenza that originated in China in July 1968 and lasted until 1969–70.
What was the most severe flu outbreak of the 20th century?
There have been five in the last 140 years, with the 1918 flu pandemic being the most severe; this pandemic is estimated to have been responsible for the deaths of 50–100 million people. The most recent, the 2009 swine flu pandemic, resulted in under 300,000 deaths and is considered relatively mild.
How serious was the Hong Kong flu?
The Hong Kong flu, also known as the 1968 flu pandemic, was a flu pandemic whose outbreak in 1968 and 1969 killed between one and four million people globally. It is among the deadliest pandemics in history, and was caused by an H3N2 strain of the influenza A virus.
Where did the Hong Kong flu come from?
Abstract. The Hong Kong strain of influenza virus A2 may have originated in the mainland of China but this is not certain. It caused a very large epidemic in Hong Kong and spread rapidly to countries as far as India and the Northern Territory of Australia—as happened in the 1957 epidemic.
Was the Hong Kong flu A virus?
Hong Kong flu: A pandemic of influenza A (H3N2) in 1968-69. This virus was first detected in Hong Kong in early 1968 and spread to the United States later that year. where it caused about 34,000 deaths, making it the mildest pandemic in the 20th century. Also known as Hong Kong influenza.