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Intensive Care Admissions and Associated Severity of Influenza B Versus A During Influenza B Vaccine–mismatched Seasons

2019; Oxford University Press; Volume: 69; Issue: 6 Linguagem: Inglês

10.1093/cid/ciz053

1537-6591

Maya Korem, Efrat Orenbuch‐Harroch, Eli Ben‐Chetrit, Sarah Israel, Matan J. Cohen, Sigal Sviri, Phillip D. Levin, Michal Mandelboim, Dana G. Wolf,

Pneumonia and Respiratory Infections

Patients admitted to hospital with influenza B and A in Jerusalem, Israel, during the 2015-2016 and 2017-2018 influenza seasons demonstrated similar rates of intensive care unit (ICU) admission and associated disease severity. Most (63%) influenza B ICU patients received influenza B-mismatched trivalent vaccine. These findings call into question the equivalence of trivalent and quadrivalent vaccines in preventing severe influenza B.