This study was based on the effectiveness of the vaccine for influenza and defined vaccine
effectiveness as the reduction in the risk of an outcome associated with the vaccination. The study
was based on the effectiven
...
This study was based on the effectiveness of the vaccine for influenza and defined vaccine
effectiveness as the reduction in the risk of an outcome associated with the vaccination. The study
was based on the effectiveness of the inactivated influenza vaccine against medically attended
respiratory complications which were associated with the H1N1 over the course of five years from
5/9/2018 Topic: Week 3: Discussion- Current Event
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seven US centers using an observational study based on the test-negative results. The findings
resulting from the study showed that the vaccine effectiveness between 2010 to 2014 and 2015 to
2016 were 69%, 56% and 47% respectively. However with the 2015 to 2016, the study analyzed
the observed reduction on vaccine effectiveness by also using the difference age categories which
found that the estimated vaccine effectiveness was 22% for those born between 1958 and 1979
(Cheng & Subbarao, 2018). It was believed that influenza strains that were encountered early in
life had a long-lasting effect on the immune response as well as vaccinations. However, the study
showed that 60% of the serological responses to the inactivated influenza vaccines are actually
due to the boost of pre-existing antibodies instead of the new vaccine antibodies and the degree of
protection will continue to vary from season to season and may be lower in certain population
groups and that current vaccines are at the most moderately effective against influenza and need
improvement (Cheng & Subbarao, 2018).
Unfortunately, the data presented would be difficult for the average individual to understand and
comprehend, leaving them to focus only on the conclusion of the study leading the average
individual to believe that the influenza vaccine is ineffective in protecting them against the virus
and would opt not to receive the vaccine without understanding the risks and complications
associated with the influenza virus that they are placing themselves in and those around.
Unfortunately, as we have seen over the course of the last couple of years, less and less
individuals are receiving the influenza vaccine due to the decrease in the vaccines effectiveness
which have lead to an increase in hospitalization and even death related to complications
associated with the influenza virus, specifically H1N1 and sub-types of the viruses. What the
average individual fails to recognize or understand, is the influenza viruses gradually evolve from
year to year making it more difficult to produce an effective influenza vaccine.
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