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2015-2016 flu vaccine: What you need to know
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Every winter, scientists from WHO observe which strains of influenza circulate around the world. Based on WHO’s recommendation, the CDC chooses which viruses to target in the influenza vaccine for the United States.
During the 2014-2015 flu season, the dominant H3N2 influenza strain mutated after the flu vaccine was released. The strain used for last season’s vaccine did not match the circulating strain, the CDC reported, and as a result the vaccine reduced flu visits to doctors by only 19% (95% CI, 7%-29%). Typically, the vaccine reduces flu visits by 50% to 60%, according to the CDC.
For the 2015-2016 flu season, experts anticipate a more effective flu vaccine because researchers are now more aware of the newly mutated H3N2 virus.
Infectious Disease News has compiled a list of the latest news about the 2015-2016 flu vaccine. Here is what you need to know.
CDC: Flu vaccine matches early strains; 40 million doses distributed
At least 40 million doses of the influenza vaccine have been distributed this season, and early diseases indicate that the vaccine formula is in close correspondence with circulating viruses, according to the CDC. Read more.
CDC publishes ACIP 2015-2016 influenza vaccine guidelines
The CDC’s Advisory Committee on Immunization Practices published updated influenza vaccination recommendations for the 2015-2016 influenza season in a recent MMWR. Read more.
Influenza vaccine found safe in children with egg allergy
Live-attenuated influenza vaccine appeared to be safe for use in children with egg allergy, and it was well-tolerated in children with asthma, according to recent study results. Read more.
Vaccination of younger adults influences influenza among elderly
Influenza-related illnesses among aged populations may be inversely associated with influenza vaccination rates of younger adults, according to recently published data. Read more.
Socioeconomic status influences influenza hospitalization rates
Socioeconomic status, particularly living in poverty, increased the rate of influenza hospitalizations, according to surveillance data from Tennessee. Read more.