What type of flu was the Hong Kong flu?
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.
Where did the Hong Kong flu originate 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 Hong Kong flu a novel virus?
Since 1900, four pandemics have occurred with the emergence of novel influenza A viruses: the 1918 H1N1 “Spanish flu” pandemic, the 1957 H2N2 “Asian flu” pandemic, the 1968 H3N2 “Hong Kong flu” pandemic, and the 2009 H1N1 pandemic.
When was the Hong Kong flu in America?
Hong Kong Flu, 1968–1969 The first cases in the U.S. were detected as early as September 1968. The number of deaths between September 1968 and March 1969 was 33,800, making it the mildest flu pandemic in the 20th century.
How many died from 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.
How long did the Hong Kong 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.
How many people died from the bird flu?
Cumulative Number of Confirmed Human Cases* of Avian Influenza A (H5N1)
| Countries with confirmed cases | Total | |
|---|---|---|
| Vietnam | Cases | 93 |
| Total | Deaths | 78 |
| Cases | 147 | |
Where did the Spanish flu start?
The first confirmed cases originated in the United States. Historian Alfred W. Crosby stated in 2003 that the flu originated in Kansas, and author John M. Barry described a January 1918 outbreak in Haskell County, Kansas, as the point of origin in his 2004 article.
Is H3N2 swine flu?
Influenza A H3N2 variant viruses (also known as “H3N2v” viruses) with the matrix (M) gene from the 2009 H1N1 pandemic virus were first detected in people in July 2011. The viruses were first identified in U.S. pigs in 2010.
Which is worse H1N1 or H3N2?
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.
What strain of flu is going around 2020?
The committee recommended that the quadrivalent formulation of cell- or recombinant based influenza vaccines for the U.S. 2020-2021 influenza season contain the following: an A/Hawaii/70/2019 (H1N1) pdm09-like virus; an A/HongKong/45/2019 (H3N2)-like virus; a B/Washington/02/2019- like virus (B/Victoria lineage);
What type of flu is going around 2020?
Article: Influenza B Strain Dominating Early in the 2020 Flu Season.
Is Flu A or B worse?
Type A influenza is generally considered worse than type B influenza. Flu or influenza is a contagious (spreads from person to person) viral illness that affects the respiratory tract (the nose, throat and lungs). Flu infections are more common during the fall and winter.
How long is flu contagious?
Period of Contagiousness People with flu are most contagious in the first 3-4 days after their illness begins. Some otherwise healthy adults may be able to infect others beginning 1 day before symptoms develop and up to 5 to 7 days after becoming sick.
How effective is the flu vaccine this year 2020?
The vaccine must be changed each year, in hopes of matching the ever-mutating viruses. And that’s been a challenge. On average, it’s been 40% effective, meaning it’s prevented illness 40% of the time.
How long is the flu shot effective 2020?
The flu shot offers protection against the flu for about 6 months. A person should get a flu shot every year, and the best time to get one is the end of October.
Is the flu vaccine safe 2020?
How safe is the flu vaccine? According to the NHS, flu vaccines are very safe. Some people may experience some side effects following the vaccination, although these are typically mild and only last for a day or two.
What are the disadvantages of the flu shot?
Some possible downsides to flu shots include:
- only about 40–60% of flu shots are effective in preventing the flu each year.
- they can take up to 2 weeks to start working.
- sometimes, they cause mild side effects, such as pain, redness, and swelling at the injection site.
What ingredients are in the flu shot 2020?
Here are some ingredients you’ll find in the flu shot:
- Egg protein. Many flu vaccines are made by growing the viruses inside fertilized chicken eggs.
- Preservatives. Vaccine manufacturers add the preservative thimerosal to multidose vaccine vials.
- Stabilizers.
- Antibiotics.
- Polysorbate 80.
- Formaldehyde.