Key result
An emerging enterovirus A71 subgenogroup B5 lineage caused a 2023 outbreak of severe hand, foot, and mouth disease in Vietnam, affecting significantly older children than previous outbreaks.
An emerging lineage of enterovirus A71 subgenogroup B5 caused a severe outbreak of hand, foot, and mouth disease in older children in Vietnam in 2023.
Alerts clinicians to older children in severe HFMD; leaves open global dispersal risk of this EV-A71 B5 lineage.
We report on a 2023 outbreak of severe hand, foot, and mouth disease in southern Vietnam caused by an emerging lineage of enterovirus A71 subgenogroup B5. Affected children were significantly older than those reported during previous outbreaks. The virus should be closely monitored to assess its potential for global dispersal.
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Châu et al. (2024) studied this question. An emerging enterovirus A71 subgenogroup B5 lineage caused a 2023 outbreak of severe hand, foot, and mouth disease in Vietnam, affecting significantly older children than previous outbreaks.
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