Livestock abortion surveillance could protect livelihoods and detect emerging global pathogens

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A study suggests timely reporting and investigating of livestock abortions is feasible in rural areas and can provide insights into emerging infectious diseases.

A small-scale surveillance system in Tanzania for reporting livestock abortions could help protect livelihoods and provide insights on potential livestock-to-human infections., is described by editors as an important study with convincing findings of potential interest to the fields of veterinary medicine , public health and epidemiology.

To address this gap, researchers set up a pilot livestock surveillance system in northern Tanzania in 15 wards across five districts, with a mix of pastoral, agropastoral and smallholder livestock keepers. Livestock field officers received training on the safe investigation of livestock abortion and were requested to report any incidents of abortions, stillbirths and perinatal death.

The study emphasises the potential risks of exposure to zoonotic pathogens -- infectious agents that could potentially jump from livestock to humans. In cases where an infectious agent was detected, 79% were zoonotic, and in nearly a quarter of these cases, someone had assisted with the aborted delivery, likely without any personal protective equipment. Of these, 20% were female and of reproductive age, and therefore of heightened risk from certain pathogens.

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