Salmonella Infection
Source: Hindustan Times
GS III: Science and Technology
Overview
- News in Brief
- About Salmonella Infection
Why in the News?
- A Salmonella outbreak linked to contaminated eggs has sickened 79 people across seven US states, with 21 hospitalised.
- Symptoms include diarrhoea, fever, and stomach cramps.
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News in Brief
- Investigations by the Centres for Disease Control and Prevention (CDC) and the Food and Drug Administration (FDA) have traced the source to brown cage-free and organic eggs from a California-based company.
- This has prompted a recall of about 1.7 million dozen eggs.
- Prevent infection by cooking eggs thoroughly, washing hands, and avoiding raw or undercooked foods.
About Salmonella Infection
- Salmonella is a group of bacteria that commonly causes a foodborne illness known as salmonellosis.
- These bacteria reside in the intestinal tracts of animals and humans and are shed through faeces.
- Transmission
- Humans are mostly infected by consuming food or water contaminated with the bacteria.
- Common Sources
- Raw or undercooked meat (chicken, beef, turkey), eggs, unpasteurized milk and dairy products, and unwashed fruits and vegetables are common carriers.
- Cross-Contamination
- The bacteria can also spread through improper food handling, such as not washing hands after using the restroom or handling raw meat, which then contaminates other surfaces or food.
- Salmonella is contagious and can be transmitted from person to person through the faecal-oral route, though this is less common than foodborne transmission.
- It can also be spread through contact with infected pets, especially reptiles and birds.
Symptoms
- Diarrhoea (sometimes bloody)
- Fever and chills
- Abdominal cramps
- Nausea, vomiting, and headache
How to Safeguard?
- Simple hygiene and food safety practices are the best defence.
- Ensure meat, poultry, and eggs are cooked to a safe internal temperature.
- Steer clear of raw eggs (in doughs or dressings) and unpasteurized dairy products.
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