Millions of people get the flu vaccine each year to protect themselves from the influenza virus. According to CDC, the vaccine reduces the risk of getting infected by 40% to 60%. Factors like any existing conditions that the patient has can impact the vaccine's effectiveness.
The flu shot works by introducing inactive influenza viruses into the patient’s body to prompt the creation of antibodies that can destroy these viruses. The flu virus is constantly mutating, so vaccines are made yearly to address new strains that have developed. It takes roughly two weeks after getting a flu vaccine for the patient’s body to build enough antibodies to fight off the infection.
Injecting a person with the flu vaccine leads to their immune system making antibodies that destroy a protein found on the exterior of the influenza virus, known as hemagglutinin (HA). This protein mutates as rapidly as the influenza virus does.
Each year's flu shot is developed to address the strains of the flu virus circulating that year. The CDC recommends getting an influenza vaccination at least two times per year.
Reduces the risk of infection: The flu vaccine reduces the risk of infection by up to 60%. This helps curb the spread of the virus and reduces the strain on healthcare infrastructure. The CDC recommends getting the vaccine in October, the start of the flu season.
Improves a person’s ability to fight off the virus: Some people who get the flu vaccine will still end up getting infected, but that does not mean getting the vaccine is pointless. The flu virus improves the immune system’s ability to fight off the infection, so vaccinated people are less likely to have serious symptoms that require treatment in an intensive care unit. The vaccine also reduces the risk of dying due to flu-related issues, particularly for children.
Prevents chronic issues from worsening: People with chronic conditions like immune system disorders are more likely to develop complications due to influenza. It is impossible to overstress how vital it is for such people to get annual flu shots. The virus can worsen their chronic condition, leaving them with new health issues even after recovering from the flu.
Protects developing babies: The flu virus can cause harmful changes to a pregnant person's immune system, creating an unstable environment for the developing baby. It can lead to premature labor and birth. Vaccinating the expecting parent protects them and the baby. They become less likely to get the infection or complications caused by it, and their immunity is passed on to the baby.
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The flu vaccine does not fight off the influenza virus; it causes your immune system to build antibodies, protecting you against influenza and its symptoms. Give us a call or visit our Reston clinic to learn more about how the vaccine works.
Request an appointment or call Millennium Medical Care Reston at 703-440-7000 for an appointment in our Reston office.
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