The stability of the monkeypox (Mpox) virus in various surroundings and bodily fluid.
By Pooja Toshniwal PahariaOct 12 2023Reviewed by Lily Ramsey, LLM In a recent study published in Emerging Infectious Diseases, researchers investigated the stability of the Mpox virus in various surroundings and bodily fluids and the efficacy of decontamination methods.
About the study In the present study, researchers assessed the stability of the Mpox virus clade II MA001 strain on surfaces, bodily fluids, and wastewater, which was detected in May of 2022 in a human from Massachusetts, United States . They also evaluated the efficacy of chlorination-based decontamination approaches.
The researchers diluted the stock Mpox viral organism in wastewater 100 times to investigate the efficiency of free chlorine for cleaning MPXV in sewage. The viral stability was assessed at one-day, three-day, five-day, seven-day, 10-day, 15-day, and 20-day intervals. The Mpox virus showed higher stability on polypropylene and stainless-steel surfaces compared to on cotton, albeit retrieving a viable viral organism from an absorbent and porous surface such as cotton may vary from recovering a viable virus from a nonporous, nonabsorbent surface like stainless steel. More proteinaceous fluids accompanied greater persistence.
In blood, the half-life of the Mpox virus in the wet stage was 59 days, and the dry stage was 39 days. In semen, the half-life of the virus in both stages was five days.
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