Flu Season 2026–27: New Vaccines, Subclade K and an Early Start in Japan
This year’s flu shots target the H3N2 subclade K strain, and the first mRNA flu vaccine is approved for over-50s. What changed and when to get vaccinated.
Japan
This year’s flu shots target the H3N2 subclade K strain, and the first mRNA flu vaccine is approved for over-50s. What changed and when to get vaccinated.