Swine Flu (H1N1)
Swine flu, or A(H1N1), is no longer a worry to track on its own. It now circulates as a routine seasonal strain — and it's already covered by the single annual flu vaccine Corporate Care delivers to Australian workplaces.
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Frequently Asked Questions
Yes and no. H1N1 is a subtype of influenza A — not a different illness — and since the 2009 pandemic it has circulated as one of the ordinary seasonal flu strains. So while “swine flu” sounds distinct, it’s really one of the seasonal influenza A viruses covered by the annual flu vaccine.
Yes — and it’s the standard annual flu vaccine, not a separate product. Australia’s 2026 flu vaccines are trivalent, containing two influenza A subtypes (one of which is A(H1N1)) plus one influenza B lineage. One yearly flu vaccination covers H1N1 along with the other circulating strains.
Yes. A(H1N1)pdm09 is no longer a pandemic threat tracked on its own — since 2009 it has circulated as a routine seasonal influenza A strain in Australia. Flu activity usually peaks between June and September but can occur year-round, and the A(H1N1) strain is included in the annual flu vaccine.
Swine flu is the common name for influenza A(H1N1)pdm09, an influenza A virus that emerged in the 2009 pandemic and was named for its origins in pigs. It spreads between people through respiratory droplets, the same as other flu, and now circulates routinely as a seasonal influenza A subtype in Australia.
Yes. The A(H1N1) subtype is one of the three strains in Australia’s 2026 trivalent flu vaccine — two influenza A subtypes (including A(H1N1)) plus one influenza B lineage. The specific 2026 A(H1N1) component is the A/Missouri/11/2025 (H1N1)pdm09 strain selected for the Southern Hemisphere season.
There is no standalone “swine flu vaccine.” Protection against H1N1 comes from the standard seasonal influenza vaccine, where A(H1N1) is included as one of the three strains. (The 2009 pandemic used a separate monovalent H1N1 vaccine, but that is historical — today H1N1 is simply part of the routine annual flu vaccine.)
Flu Vaccination Insights
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