Science & TechnologySource: The Hindu
Significant Burden of Typhoid Fever in India Highlighted in Recent Study
Friday, 28 August 2026
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Last Updated: 28-08-2026. A recent Lancet study has estimated 4.9 million typhoid cases in India in 2023, underscoring the urgent need to address non-typhoidal Salmonella infections and antimicrobial resistance. This is crucial for UPSC aspirants focusing on GS Paper 2 and GS Paper 3, as it relates to health and governance.
Key Facts About Typhoid Fever
- Definition: Typhoid fever is caused by Salmonella Typhi bacteria.
- Objective: To reduce the burden of typhoid through vaccination and improved sanitation.
- Key Provisions: Blood culture is the primary diagnostic test; vaccination is recommended by the WHO.
- Numbers/Targets: 4.9 million cases estimated in India in 2023.
- Outcomes: Rising antimicrobial resistance complicates treatment options.
- Transmission: Spreads through faecally contaminated food and water.
- Prevention: Safe drinking water, sanitation, and vaccination are key.
India's Public Health Challenges
Typhoid fever and non-typhoidal Salmonella infections pose significant public health challenges in India, impacting economic and social goals. The rise in antimicrobial resistance threatens to undermine healthcare advancements. Addressing these issues is crucial for achieving sustainable development goals and improving India's health rankings globally.
UPSC Relevance
- GS Paper 2: Health, Governance, and Social Justice.
- GS Paper 3: Science and Technology, Environmental Concerns.
- Prelims Angle: Questions on disease transmission, symptoms, and preventive measures.
- Mains Angle: Essays on public health challenges and antimicrobial resistance.
- Optional Subjects: Public Administration, Sociology.
FAQ Section
- What is typhoid fever? Typhoid fever is a bacterial infection caused by Salmonella Typhi, characterized by prolonged fever, abdominal pain, and diarrhea.
- Why is typhoid important? Typhoid is significant due to its high prevalence in India and the challenges posed by antimicrobial resistance, impacting public health and policy.
- What are the key features of typhoid prevention? Key preventive measures include vaccination, ensuring safe drinking water, good sanitation, and thorough cooking of food.
Detailed Coverage
- 4.9 million typhoid cases estimated in India for 2023.
- Need to address non-typhoidal Salmonella infections.
- Rising issue of antimicrobial resistance.
- Salmonella infections classified into two categories.
- Typhoidal Salmonella causes typhoid and paratyphoid fevers.
- Non-typhoidal Salmonella (NTS) primarily causes gastroenteritis.
- Many NTS infections go undiagnosed.
- Typhoid spreads through faecally contaminated food and water.
- NTS transmission involves animal-food-environment interface.
- Common symptoms include fever, abdominal pain, diarrhea.
- Blood culture is the primary diagnostic test for typhoid.
- Key preventive measures include safe drinking water and good sanitation.
- WHO recommends typhoid conjugate vaccines from six months of age.
- Resistance to fluoroquinolones is rising in S. Typhi.
- 'One Health' approach needed to tackle NTS contamination.
Science & Technology