INFLUENZA VACCINE Meaning and
Definition
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An influenza vaccine, also known as a flu shot or flu vaccine, is a biological substance that is designed to provide protection against the influenza virus. It is an immunization product that is administered through an injection, typically in the arm, to prevent individuals from contracting the flu or experiencing severe symptoms if infected.
The vaccine contains small amounts of inactivated or weakened forms of the influenza virus, which stimulate the body's immune system to produce specific antibodies that recognize and neutralize the virus. These antibodies essentially act as a defense mechanism, keeping the body prepared to fight off the virus if exposed.
Influenza vaccines are typically formulated each year to target the specific strains of the influenza virus that are expected to circulate during the upcoming flu season. Scientists and public health organizations closely monitor the different strains of the virus and analyze data to predict which strains will be predominant, thereby allowing the production of effective vaccines.
The influenza vaccine is especially recommended for individuals who are at higher risk of complications from the flu, such as older adults, young children, pregnant women, and those with chronic medical conditions. By receiving the vaccine, these individuals can reduce their chances of contracting the flu and experiencing severe symptoms, hospitalization, or even death.
In summary, an influenza vaccine is a preventative measure that utilizes a safe amount of inactive or weakened influenza virus to stimulate the immune system, thereby reducing the risk and severity of flu infection.
Common Misspellings for INFLUENZA VACCINE
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Etymology of INFLUENZA VACCINE
The word "influenza" comes from the Italian phrase "influenza di freddo", which means "influence of the cold". It was originally used to describe diseases that were believed to be caused by the influence of cold weather. The term eventually became associated with the respiratory illness caused by the influenza virus.
The word "vaccine" has its roots in the Latin word "vaccinus", which means "of or relating to cows". This is because the first vaccine, developed by Edward Jenner in 1796, involved using cowpox to protect against smallpox. The term "vaccine" has since been used to describe any preparation designed to stimulate immunity against a specific disease.
Therefore, the etymology of the phrase "influenza vaccine" stems from the Italian word for influenza and the Latin word for a disease-preventing preparation.
