Transmission of Salmonella bacteria

Relevance: Prelims: Science

Why in news?

Recently, health agencies in the US and Canada have put out alerts asking its citizens to discard onions supplied by Thomson International Inc, linking a salmonella bacteria infection with the bulb.

Salmonella: Causes and Risk Factors

More on the news:

  • The salmonella bacteria is said to be transmitted through contaminated onions, cultivated by Thomson International.
  • The Public Health Agency of Canada, the US CDC and Canadian Food Inspection Agency are currently investigating commonalities to identify the source and cause of contamination in the onions.

Salmonella in wild birds: a risk for swine? - Articles - pig333, pig to pork community

 

About Salmonellosis
Cause The salmonella bacteria resides in animals. When it enters a human body it causes salmonellosis.
Transmission Salmonella can transmit to humans through contaminated water or food. 
Symptoms
  • It creates an infection that attacks the intestine and can cause diarrhoea, abdominal pain, fever, vomiting, bleeding in stool and nausea.
  • It takes one to six days for symptoms to emerge. 
  • The symptoms of the infection last anywhere between 2 and 7 days. 
  • However, bowel function could sometimes take months before returning to normalcy.
  • In some cases, the infection spreads the infection from the intestine to the bloodstream.
Vulnerable people
  • The infection hits children, below the age of five, and senior citizens the worst.
  • However, only less than 1 percent of infected people succumb to the infection.

 

Vertical transmitted diseas: Salmonella – Kepro

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