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City Ducks And Crows Are Carriers Of Deadly Antibiotic-Resistant Bacteria, Reveals Study
Scientists have found that city birds like ducks and crows, which live near humans, are 'reservoirs' of bacteria resistant to human antibiotics.
These urban birds carry a wider variety of bacterial strains and up to three times more antibiotic-resistant genes than those in isolated areas.
Antibiotic Resistance In Urban Wildlife
This phenomenon is likely due to urban animals being exposed to polluted rivers, which may harbour antibiotic-resistant bacteria. Researchers examined 700 bacterial samples from the guts of 30 wild bird species across eight countries, including the UK. They detected genetic markers linked to antibiotic resistance in all the bird species studied.
The issue of antibiotic resistance is alarming. In England alone, an estimated 58,224 people had severe antibiotic-resistant infections in 2022, leading to 2,202 deaths. The overuse of antibiotics in humans and livestock is a major cause of this resistance.
Global Action Required
Antibiotic resistance occurs when disease-causing microbes become immune to antibiotics that would normally eliminate them. This study underscores the need for policymakers and health services to consider how antibiotic-resistant bacteria can spread beyond hospitals.
It also calls for coordinated global efforts to tackle the spread of antibiotic resistance, considering wildlife conservation, public health, and agriculture. As human populations grow and urbanization disrupts natural habitats, there's a higher risk of contact between humans and wild animals, potentially spreading antibiotic-resistant bacteria.
Impact On Future Research
The research offers valuable data for future studies aimed at understanding the full impact of human expansion on the spread of antibiotic resistance. It highlights the importance of addressing this issue comprehensively to safeguard both human health and wildlife.
As urban areas expand, it becomes crucial to monitor and manage the interaction between humans and wildlife to prevent further spread of resistant bacteria. This study provides a foundation for developing strategies to mitigate this growing threat.
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