How do vaccines help control typhoid fever?
Quick Answer
Typhoid vaccines protect against Salmonella Typhi, the bacterium that causes typhoid fever. They reduce the risk of severe intestinal illness and outbreaks.
The Full Story
Typhoid fever spreads mainly through contaminated food and water, especially where sanitation is poor. Vaccines against Salmonella Typhi include older injectable and oral options, as well as newer conjugate vaccines that provide stronger, longer-lasting protection. By preventing infection, vaccination helps reduce fever, abdominal pain, intestinal complications, and transmission in communities. The newer typhoid conjugate vaccines are increasingly used in endemic regions because they can be given to younger children. Vaccination is most effective when combined with clean water and better sanitation.
Key Facts
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