“You might not realize that you could already have a higher risk of certain flu infections than others — and that risk may be linked to your birth year,” CNN reports.
The story continues, “If you were exposed to a certain flu strain in your childhood, that first exposure could have resulted in long-term protection against related flu viruses, reducing your risk of a future severe infection by up to 75%, according to a new study published in the journal Science on Thursday.”
Specifically, “the researchers found that people born before 1968 were more likely to be exposed to the group 1 viruses H1N1 or H2N2 and were less likely to suffer or die from infections with the group 1 virus H5N1 infections later in life.”
And, “people born after 1968 were more likely to be exposed to the group 2 virus H3N2 at a young age and were less likely to suffer or die from infections with the group 2 virus H7N9 later in life.”
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