Are the flu strains we vaccinate against more or less the same world-wide? Submitted by heyheyhey27 t3_115nexy on February 18, 2023 at 7:35 PM in askscience 16 comments 64
nhorvath t1_j95nue3 wrote on February 19, 2023 at 1:00 PM Since flu season corresponds to actual seasons the northern and southern hemisphere alternate flu seasons. The flu stains circulating are monitored in the opposite hemisphere and used to predict which vaccine to give in the upcoming season. Permalink 3
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