In a recent study of hospitalizations for influenza A versus B, the odds of mortality were significantly greater with influenza B than with A and were not entirely explained by underlying health conditions.30.
The pregnancy percentage was calculated by using the number of females aged between 15 and 44 years of age as the denominator.
Pediatricians should attempt to promptly identify children suspected of having influenza infection for timely initiation of antiviral treatment, when indicated, to reduce morbidity and mortality.
Immune suppression includes conditions such as immunoglobulin deficiency, leukemia, lymphoma, HIV/AIDS, and immunosuppressive medication use.
Metabolic disorders include conditions such as diabetes mellitus, thyroid dysfunction, adrenal insufficiency, and liver disease.
Obesity was assigned if indicated in the patient’s medical chart or if the BMI was 30.
The category “no known condition” indicates that the patient did not have any known underlying medical condition indicated in the medical chart at the time of hospitalization.
All children with an egg allergy of any severity can receive an influenza vaccine without any additional precautions beyond those recommended for any vaccine;5.