- The Shamonda virus, traditionally known as a livestock pathogen affecting ruminants like cattle and sheep, has been detected in a human for the first time. - This discovery highlights the growing concern of zoonotic spillover events, where pathogens jump from animals to humans. - Emergence of such livestock-associated viruses in humans underscores the importance of 'One Health' approach integrating human, animal, and environmental health surveillance. - **Shamonda virus:** An arbovirus belonging to the Simbu serogroup and Orthobunyavirus genus, primarily infecting ruminants and livestock via midge vectors, which recently saw its first documented human infection. - **One Health framework:** An integrated, unifying approach that aims to sustainably balance and optimize the health of people, animals, and ecosystems, crucial for monitoring zoonotic pathogen spillovers. - **Zoonotic infections:** Infectious diseases that can be naturally transmitted between animals and humans, highlighting the expanding interface between human populations and livestock or wildlife reservoirs. - **World Health Organization:** A specialized agency of the United Nations responsible for international public health, leading global disease surveillance, standard setting, and outbreak response under frameworks like One Health. **Introduction** The article discusses the initial detection of the Shamonda virus in humans, a pathogen typically restricted to livestock such as ruminants. This cross-species spillover emphasizes the evolving risks of zoonotic infections and the critical need for comprehensive disease surveillance under the One Health framework. **Core Issue and Detailed Points** - The Shamonda virus, traditionally known as a livestock pathogen affecting ruminants like cattle and sheep, has been detected in a human for the first time. - This discovery highlights the growing concern of zoonotic spillover events, where pathogens jump from animals to humans. - Emergence of such livestock-associated viruses in humans underscores the importance of 'One Health' approach integrating human, animal, and environmental health surveillance. **Key Statutory Bodies, Acts & Concepts** - **Shamonda virus:** An arbovirus belonging to the Simbu serogroup and Orthobunyavirus genus, primarily infecting ruminants and livestock via midge vectors, which recently saw its first documented human infection. - **One Health framework:** An integrated, unifying approach that aims to sustainably balance and optimize the health of people, animals, and ecosystems, crucial for monitoring zoonotic pathogen spillovers. - **Zoonotic infections:** Infectious diseases that can be naturally transmitted between animals and humans, highlighting the expanding interface between human populations and livestock or wildlife reservoirs. - **World Health Organization:** A specialized agency of the United Nations responsible for international public health, leading global disease surveillance, standard setting, and outbreak response under frameworks like One Health.