Can I Work in Food Service After a Positive Typhoid Test? - Family Medicine

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Health check-up issues


Hello Doctor: I am starting a job in the food service industry, and my recent health examination report showed a positive reaction for typhoid fever.
However, after two subsequent stool tests, the Salmonella culture was negative, indicating that I am not infectious, and my symptoms are also mild.
I am unsure if I can start working or if I need to visit the hospital again.
I appreciate your time and assistance.
Thank you.

yan jing, 20~29 year old female. Ask Date: 2020/11/07

Dr. Wu Zongying reply Family Medicine


Hello: If two stool tests are negative, it usually indicates that there is no infectious disease present and treatment is not necessary.
Please do not worry.

Reply Date: 2020/11/07

More Info


When it comes to working in the food service industry, health and safety regulations are paramount to ensure the well-being of both employees and customers. If you have tested positive for typhoid fever, it is crucial to understand the implications of this result and the necessary steps to take before returning to work.

Typhoid fever is caused by the bacterium Salmonella Typhi, which can be transmitted through contaminated food and water. Individuals who are carriers of the bacteria can spread the infection even if they do not exhibit symptoms. Therefore, food service workers who have had a positive test for typhoid fever must take specific precautions to prevent any potential outbreaks.

In your case, you mentioned that your initial test for typhoid was positive, but subsequent stool cultures returned negative for Salmonella. This is a positive development, as it indicates that you are no longer shedding the bacteria and are not infectious. However, it is essential to follow the guidelines set forth by health authorities and your employer.

1. Consult with a Healthcare Provider: Even though your stool cultures are negative, it is advisable to consult with your healthcare provider or a specialist in infectious diseases. They can assess your overall health, review your test results, and determine if you are fit to return to work in food service.

2. Follow Local Health Regulations: Different regions may have varying regulations regarding food service employees who have had a history of typhoid fever. It is essential to check with your local health department or the regulatory body overseeing food safety in your area. They may require a specific waiting period or additional testing before you can return to work.

3. Documentation: Ensure that you have all necessary documentation from your healthcare provider regarding your health status and test results. This documentation may be required by your employer to confirm that you are cleared to work.

4. Hygiene Practices: If you are cleared to return to work, it is crucial to adhere to strict hygiene practices. This includes regular handwashing, avoiding food preparation if you have any gastrointestinal symptoms, and following all food safety protocols established by your employer.

5. Regular Health Checks: Depending on your local regulations, you may be required to undergo regular health checks or screenings to ensure that you remain free of any infectious diseases. This is particularly important in the food service industry, where the risk of transmission can be high.

In summary, while your negative stool cultures are encouraging, it is vital to consult with a healthcare provider and adhere to local health regulations before returning to work in food service. Ensuring that you are not a carrier of the bacteria and maintaining high hygiene standards will help protect both you and your customers. If you have any doubts or experience any symptoms, do not hesitate to seek medical advice.

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