Host-to-host transmission in most Salmonella serovars occurs primarily via the fecal–oral route. Salmonella enterica serovar Typhi is a human host-adapted pathogen and some S. Typhi patients become asymptomatic carriers.
What is the main vector of Salmonella?
Salmonella is spread by the fecal-oral route and can be transmitted by • food and water, • by direct animal contact, and • rarely from person-to-person. An estimated 94% of salmonellosis is transmitted by food. Humans usually become infected by eating foods contaminated with feces from an infected animal.
What does it mean Salmonella carrier?
Chronic carrier state is defined as Salmonella in the stool or urine for greater than 1 year. A chronic carrier state has been identified in 2.2% of patients with reported nontyphoid Salmonella, lasting 30 days to 8.3 years. A chronic carrier state occurs in 1-4% of patients with untreated typhoid Salmonella.
Can you become a carrier of Salmonella?
Some infected individuals become carriers and per- sistently shed Salmonella in their feces for long periods of time, thereby functioning as a reservoir for the pathogen.
What is the main mode of transmission for Salmonella?
Salmonella are usually transmitted to humans by eating foods contaminated with animal feces.
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