Key result
Sepsis-like or meningitis-like symptoms were exclusively reported in infants infected with the recombinant human parechovirus type 3 (12 of 23 cases), though the difference from type 1 was not statistically significant (p=0.14).
Why the study?
Human parechovirus type 3 causes severe sepsis-like illness in young infants and may be linked to neurodevelopmental delay, prompting investigation into the molecular epidemiology of infection during the 2017/18 Australian epidemic.
Design
Observational molecular epidemiological study
Authors
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Recombinant HPeV3 may link to severe symptoms in infants; hypothesis-generating for larger confirmation and vaccine targeting.
Observational (n=33)
Yes
Absolute Event Rate: 52.2% vs 0%
p-value: p=0.14
The 2017-18 Australian HPeV epidemic was driven by a recombinant HPeV3 strain that causes severe sepsis-like illness in infants and exhibits high capsid sequence stability, highlighting it as a target for vaccine development.
Chamings et al. (2019) conducted an observational in Human parechovirus infection (n=33). Human parechovirus type 3 (HPeV3) infection vs. Human parechovirus type 1 (HPeV1) infection was evaluated on Sepsis-like syndrome or meningitis-like symptoms (p=0.14). Sepsis-like or meningitis-like symptoms were exclusively reported in infants infected with the recombinant human parechovirus type 3 (12 of 23 cases), though the difference from type 1 was not statistically significant (p=0.14).
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