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The 1918 Spanish flu was the first of three flu pandemics caused by H1N1 influenza A virus; the others being the 1977 Russian flu and the 2009 Swine flu pandemics. [ 15 ] [ 16 ] [ 17 ] Etymologies
The Spanish flu first hit Philadelphia, through the Philadelphia Navy Yard, on September 19, 1918, from sailors who were returning from Europe. [1] The city of Philadelphia was in charge of raising $259 million for war time efforts and saw the parade as a way to raise those funds. [2]
The vaccine was initially developed as a pandemic mock-up vaccine using an H5N1 strain. [ 5 ] Pandemrix was found to be associated with an increased risk of narcolepsy [ 6 ] following investigations by Swedish and Finnish health authorities [ 7 ] and had higher rates of adverse events than other vaccines for H1N1. [ 8 ]
A vaccination schedule is a series of vaccinations, including the timing of all doses, which may be either recommended or compulsory, depending on the country of residence. A vaccine is an antigenic preparation used to produce active immunity to a disease, in order to prevent or reduce the effects of infection by any natural or "wild" pathogen. [2]
In 1976, an outbreak of the swine flu, influenza A virus subtype H1N1 at Fort Dix, New Jersey caused one death, hospitalized 13, and led to a mass immunization program.. After the program began, the vaccine was associated with an increase in reports of Guillain–Barré syndrome (GBS), which can cause paralysis, respiratory arrest, and d
Health officials suggest that those age 65 and older get either a higher-dose or "adjuvanted" flu shot. An adjuvant is an ingredient that helps create a stronger immune response.
Here's everything you need to know about how to get a flu shot, what to expect after getting it and whether or not you should get all three vaccines to protect against the "tripledemic"(the flu ...
According to a 2016 study by faculty at the University of New South Wales, getting a flu shot was as effective or better at preventing a heart attack than even quitting smoking. [106] A 2024 CDC study found that the 2024 flu vaccine reduced the risk of hospitalization from the flu by 35% in the Southern Hemisphere. [107]