One study found fairly high rates of flu, mumps, and hepatitis A, and the other found that only 28% of adults have been vaccinated against tetanus and diphtheria.
Overall flu cases are 10.8% higher than last year across Australia.
Study shows vaccine effectiveness around 50% for both clinic visits and hospital stays for influenza during the 2025 Southern Hemisphere flu season.
The money will fund work on CD388, a non-vaccine preventive for both pandemic and seasonal flu.
The researchers note an increase in VE of 28 percentage points for a second dose in vaccine-naive children younger than 3 years but none when including children up to 8 years.
The Vaccine Integrity Project staff and advisors note the conspicuous and consequential absence of US health agency vaccine campaigns and annual vaccination reminders ahead of respiratory virus season.
The reports provide more detail on the deadliest flu season for US children in more than a decade.
The two influenza A picks are different from the current Northern Hemisphere vaccines and from last season's Southern Hemisphere vaccines.
One found 44% better protection for the high-dose version against hospitalization for flu but not for flu or pneumonia, which goes against previous findings.
AHIP's statement says all ACIP-recommended immunizations as of September 1, 2025, will be covered.
