Salmonella Typhi is primarily sourced from which?

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Multiple Choice

Salmonella Typhi is primarily sourced from which?

Explanation:
Salmonella Typhi is a human-restricted pathogen, so the primary source is humans. People who are infected shed the organism in their stool, and chronic carriers can continue to spread it even if they are not acutely ill. Transmission is fecal-oral, often via contaminated food or water that has come into contact with human waste. This makes humans the key reservoir, while water serves as a vehicle for transmission and animals (like pigs or cattle) are not the primary sources for this serovar. Therefore, the main source is humans.

Salmonella Typhi is a human-restricted pathogen, so the primary source is humans. People who are infected shed the organism in their stool, and chronic carriers can continue to spread it even if they are not acutely ill. Transmission is fecal-oral, often via contaminated food or water that has come into contact with human waste. This makes humans the key reservoir, while water serves as a vehicle for transmission and animals (like pigs or cattle) are not the primary sources for this serovar. Therefore, the main source is humans.

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