Children with a vaccine-hesitant parent varied by vaccine: 56% for COVID, 31% for flu, 30% for HPV, and 12% for other childhood illnesses.
ACIP made its latest assessments during a packed 3-day schedule, during which it also updated it recommendation for RSV vaccines.
A second study finds link between parental attitudes and social norms and intention to vaccinate kids against COVID-19.
But rates of systemic side effects were similar for men and women after receipt of both types of vaccine.
96% of Veterans Administration hospitals require staff vaccination.
The company said a combo vaccine might help bridge gaps in vaccine coverage while simplifying vaccination.
On average, COVID-19 was tied to 2 more days of sick time than influenza.
High-dose flu vaccine contains 4 times as much hemagglutinin as standard-dose flu vaccine.
The risk of influenza was found to be elevated in people who received the vaccine only in the previous season.
The return on investment of up to $4,637 per vaccination course translates to billions of dollars in net monetary benefits to society, the authors say.