Health Care

H3N2 mutation in last year's flu vaccine responsible for lowered efficacy

H3N2 mutation in last year's flu vaccine responsible for lowered efficacy

The death was reported last week.

"The excuses people use for not getting the flu shot are often based on incorrect medical information or myths, but working in our Merrill clinic for several years, I've seen the real-life health consequences that people suffer by not getting their yearly flu shot", he said. Seasonal flu shots will be available to UO students, faculty and staff on November 9 and 16, from 8 to11 a.m.at the health center. You can have some side effects after vaccination, but this is not flu illness. Most flu vaccine proteins are purified from a virus grown in chicken eggs, although a small fraction of flu vaccine proteins are produced in systems that do not involve eggs.

A group of researchers at the Nebraska Center for Virology may have succeeded in developing a flu vaccine that would provide lifelong protection against the pesky winter bug.

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He adds some people may not get the flu every year, but it doesn't hurt to take extra precaution to make sure the virus doesn't spread to those who are venerable. Scientists are trying various approaches to better match vaccines to multiple viral strains.

How are flu vaccines made? However, Dr. Vooght explains that the Australia flu situation was severe because it had a mismatch between the vaccine and the virus strain. For example they may have got a food vaccine and got sick anyway.

The efficacy of the vaccine against influenza has been significantly limited in 2016, protecting that 20% to 30% of vaccinated persons, have determined researchers who argue for a different technique of production that does not use eggs. "During the 2014-2015 influenza season, clade 3C.2a H3N2 viruses possessing a new predicted glycosylation site in antigenic site B of HA emerged, and these viruses remain prevalent today", wrote the article's authors. Once it has been injected, these specific viruses trigger the body's immune system to go against proteins which move away from the surface of the flu virus.

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"To put this in other terms, our current influenza vaccine programs and technologies reduce influenza infections and hospitalizations by 4.75 percent and 6.9 percent, respectively", Weaver said.

Because the study was conducted in mice, it's too soon to say whether the vaccine would successfully work in humans.

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