Why Do We Need A New Flu Vaccine Every Year
Why Do We Need A New Flu Vaccine Every Year. If you got a flu shot this year, next year you’ll need it again. In a bad year, the seasonal flu vaccine reduces the risk of flu illness by only 20% to 30% in the overall population.
The vaccine is not a one and done situation, as it is with shots for other viruses. Why is the flu vaccine recommended every year? The vaccine is important, but why is there a new one every year?
Flu Shots Are Necessary Every Year, But They Don’t Provide Flawless Protection.
• flu vaccination can keep you from getting sick from flu. The vaccine is not a one and done situation, as it is with shots for other viruses. In a bad year, the seasonal flu vaccine reduces the risk of flu illness by only 20% to 30% in the overall population.
The Protein ‘Coat’ Of The Influenza Virus Mutates Each Year (Picture:.
As every year, albeit with some delay this year, the public has been called to get vaccinated against the disease. Why do you need a flu shot every year? Reasons to get a flu vaccine:
Flu Vaccination Can Keep You From Getting Sick With Flu.
Each year we make an educated guess as to which of the four. The vaccine is not a one and done situation, as it is with shots for other viruses. It’s possible that booster shots will be needed, to maintain immunity year after year, and we can’t rule out that new strains may emerge.
The Flu Shot Is A Vital Weapon To Protect The Population From This Highly Contagious Virus.
Why are flu shots needed every year? While flu vaccines offer the highest level of protection three for four months after vaccination, research suggests antibodies continue to protect against infection 8.5 months after. Scientists then use this information to design the annual flu vaccine.
The Simple Answer Is That The Flu Has Multiple Strains That Can (And Do) Mutate.
This is because the virus changes, usually rendering the previous year’s vaccine partly. Because these outer structures are constantly changing, a new vaccine is needed each year to target them. While flu vaccines offer the highest level of protection three for four months after vaccination, research suggests antibodies continue to protect against infection 8.5 months after.
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