It is a major worldwide public health concern, accounting for 93.8 million foodborne illnesses and 155,000 deaths per year. To date, over 2500 Salmonella serotypes have been identified and more than half of them belong to Salmonella enterica subsp.
Is Salmonella a global issue?
Disease(s): Typhoid fever
Lower classifications: Salmonella bongori
Is Salmonella a global threat?
Foodborne diseases can be severe, especially for young children. Diarrhoeal diseases are the most common illnesses resulting from unsafe food, 550 million people falling ill each year, including 220 million children under the age of 5 years. Salmonella is 1 of the 4 key global causes of diarrhoeal diseases.
How common is Salmonella globally?
We estimated that 93.8 million cases (5th to 95th percentile, 61.8–131.6 million) of gastroenteritis due to Salmonella species occur globally each year, with 155,000 deaths (5th to 95th percentile, 39,000–303,000 deaths). Of these, we estimated 80.3 million cases were foodborne.
Is Salmonella around the world?
Fully industrialized nations report frequencies of gastroenteritis similar to that of the United States. However, worldwide estimates of nontyphoid Salmonella range from 200 million to 1.3 billion, with an estimated death toll of 3 million each year.
Where in the World Is Salmonella prevalent?
Salmonella serovars in poultry. According to the continent and serovar contributions (loadings) to factor construction (Table S3a), factor 1 indicates Enteritidis is the most prevalent in Asia, Latin America, Europe, and Africa (Fig.
Why is Salmonella a problem?
Salmonella strains sometimes cause infection in urine, blood, bones, joints, or the nervous system (spinal fluid and brain), and can cause severe disease.
Is Salmonella a communicable disease?
Salmonellosis is very contagious. It can be spread by someone who's contracted it even if they aren't showing any symptoms or have undergone successful antibiotic treatment. Sharing saliva or mouth-to-mouth contact with someone who's carrying the bacteria can transmit them.
How many cases of salmonella are there in the world in 2020?
Summary of worldwide Salmonella causing enteric fever
| Year | Salmonella | No. of cases |
|---|---|---|
| 2018 | Salmonella Typhi | |
| 2019 | Salmonella Typhi | 7 |
| 2019 | Salmonella Paratyphi | |
| 2020 | Salmonella Paratyphi B | 18 |
How does Salmonella cause disease?
When Salmonella bacteria are ingested, they pass through a person's stomach and colonize the small and large intestine. There, the bacteria invade the intestinal mucosa and proliferate. The bacteria can invade the lymphoid tissues of the gastrointestinal tract and spread to the bloodstream.