Groundbreaking Discovery: Mpox Clade Ia Evolves for Human-to-Human Transmission – A New, Alarming Study Reveals
Since the eradication of smallpox in 1980, concerns about poxviruses, particularly mpox, have persisted. Despite continued surveillance efforts in West and Central Africa, mpox resurfaced, leading the World Health Organization (WHO) to declare it a public health emergency twice between 2022 and 2023. In response to outbreaks affecting 15 African countries, many of which had never seen mpox cases before, global vaccine donations were pledged, although shortages forced prioritization in vaccine distribution.
Recent findings have intensified worries, as researchers identified human-to-human transmission of a previously sporadically human-infecting clade Ia of the mpox virus. Advanced by a 2023 scientific study, this transmission is likely due to mutations induced by human APOBEC proteins, suggesting a significant evolution in the virus’s behavior. This mutation pattern mirrors findings from clade IIb, which has circulated in human populations in Africa since 2016.
Although these discoveries won’t immediately alter vaccination strategies, they emphasize the urgent need for more vaccines and highlight concerns over varying clade responses to antiviral treatments. Africa remains reliant on limited vaccine supplies to curb increasing mpox cases, even as scientists race to understand the implications of new viral evolution paths.
Original Story https://www.thehindu.com/sci-tech/science/mpox-clade-1a-human-to-human-transmission-virologica-study/article68851982.ece
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Publish Date: 2024-11-11 05:30:00
