Influenza Information Center
The ACIP and CDC have approved and released 2019 recommendations for the adult immunization schedule in the US.
Half of this number went to a doctor, while 69,000 to 84,000 people have been hospitalized.
Pregnant women admitted to ICU with flu more likely to deliver preterm infants, low birth-weight infants.
With vaccination, risks reduced for readmission, outpatient visits, fever, clinical evaluations for infection.
Adults hospitalized for pneumonia who received an influenza vaccination during their stay were less likely to seroconvert if they had diabetes, bacterial detection, baseline seropositive titers for influenza B, or influenza vaccination in the previous season.
Flu-positive patients have higher crude mortality and critical illness vs flu-negative patients.
The quadrivalent LAIV4 is less effective than IIV against influenza A/H1N1pdm09 in all pediatric age groups.
Higher incidence seen for in-hospital mortality, acute respiratory failure, acute kidney injury.
After adjustment for confounders, vaccine linked to lower all-cause, cardiovascular death.
Influenza Vaccines May Protect Against Lab-Confirmed Influenza-Linked Hospitalization During Pregnancy
For women who are pregnant, influenza vaccines may moderately protect against laboratory-confirmed influenza-associated hospitalization.