John V. Williams

Human metapneumovirus, or HMPV, peaks in North America from February to May, just on the heels of flu season. martin-dm/E+ via Getty Images

Human metapneumovirus, or HMPV, is filling ICUs this spring – a pediatric infectious disease specialist explains this little‑known virus

Similar to the patterns seen with COVID-19, flu and RSV, HMPV is making a comeback after years of being repressed by people wearing masks and social distancing.

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