Drug-resistant salmonella infections

Why in the News?
Recent media reports citing the Centers for Disease Control and Prevention (CDC) indicate that at least 34 people across 13 U.S. states have been infected with salmonella, with the outbreak linked to contact with backyard poultry such as chickens, ducks, geese, guinea fowl, and turkeys. Alarmingly, some infections show resistance to commonly used antibiotics.

About Salmonella and Salmonellosis
Salmonella are bacteria that cause an illness known as Salmonellosis. These bacteria typically live in the intestines of humans and animals and are transmitted through contaminated food, water, or contact with infected animals, their feces, or surroundings. Backyard poultry can carry Salmonella even when they appear healthy.

Key Findings from the Outbreak
A significant proportion (around 80%) of infected individuals reported contact with backyard poultry, and over 90% of poultry owners had acquired birds recently, often from agricultural retail stores. Laboratory testing of bacterial samples revealed resistance to at least one antibiotic in several cases, with some strains resistant to multiple drugs.

Concerns
The emergence of Antimicrobial Resistance (AMR) in Salmonella is a major public health concern, as it reduces the effectiveness of standard treatments, potentially leading to severe illness or death. The spread of resistant strains through common sources like backyard poultry increases the risk of wider outbreaks. It also underscores gaps in biosecurity, hygiene practices, and monitoring in small-scale poultry rearing and retail distribution systems.

Source: TH & CDC