The Burden of HMPV- and Influenza-Associated Hospitalizations in Adults in New Zealand Before and After the COVID-19 Pandemic, 2012–2023

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The study analyzed 37,185 acute respiratory infection hospitalizations in adults in New Zealand from 2012 to 2023.
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HMPV accounted for 3.4% of tested cases, while influenza accounted for 15.0% among hospitalized adults.
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Influenza hospitalization rates increased significantly post-COVID-19, from 43.0 per 100,000 before the pandemic to 79.5 in 2023.
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HMPV-associated hospitalization rates were higher in older adults, particularly those with chronic conditions.
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The findings highlight the need for targeted vaccine and antiviral interventions for both HMPV and influenza.

The Journal Of Infectious Diseases

by Nayyereh Aminisani, Briony Fanslow, Timothy Wood, Lauren Jelley, Louise Thorn, Ruth Seeds, Conroy Wong, Adrian Trenholme, Cameron C Grant, Q Sue Huang, on behalf of the SHIVERS Investigation Team
July 16, 2025

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