Study demonstrates prolonged persistence of enteroviruses on commonly encountered surfaces


Hand, foot, and mouth illness (HFMD) is a contagious illness that primarily impacts younger kids within the Asia-Pacific area. The viral transmission can happen by direct contact with nostril and throat secretions, surfaces, fomites and the surroundings. Furthermore, kids’s college toys could serve an necessary function in HFMD surface-to-hand transmission. Warmth inactivation might be an alternative choice to management HFMD transmission at colleges.

Stability and warmth inactivation of enteroviruses on completely different surfaces have been investigated in earlier research. Nonetheless, research relating to entervirus-A71 (EV-A71) and coxsackievirus A16 (CVA16) on kids’s college toy surfaces have been hardly ever reported.

On this research, the authors confirmed that the infectivity of EV-A71 and CVA16 declined inside a couple of hours on all three surfaces, whereas the viral RNA may very well be detected for as much as 28 days. In each assays, viral stability was increased on wooden than on the opposite surfaces. In the meantime, warmth inactivation at 60°C for 15 min, which might be repeatable with out damaging toys, was ample to utterly inactivate each enterovirus serotypes.

Outcomes of the research clearly demonstrated the extended persistence of enteroviruses on generally encountered surfaces, highlighting the potential of oblique unfold of those viruses amongst kids. The warmth inactivation is an relevant method for controlling the unfold of pathogens in class environments, together with complimented disinfection applications which usually required detergents and water.


Journal reference:

Sittikul, P., et al. (2023). Stability and infectivity of enteroviruses on dry Surfaces: Potential for oblique transmission management. Biosafety and Well being.

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