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Typhoid Vaccine

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Typhoid (typhoid fever) is a serious disease. It is caused by bacteria called Salmonella Typhi.


People who are actively ill with typhoid fever and people who are carriers of Salmonella Typhi can both spread the bacteria to other people. When someone eats or drinks contaminated food or drink, the bacteria can multiply and spread into the bloodstream, causing typhoid fever.


Typhoid causes a high fever, weakness, stomach pains, headache, loss of appetite, and sometimes a rash. 


There are fewer antibiotic treatment options as drug-resistant typhoid bacteria has become more common in many parts of the world. People who do not get treatment can continue to have fever for weeks or months. As many as 30% of people who do not get treatment die from complications of typhoid fever.

Typhoid vaccine can prevent typhoid fever. Typhoid vaccine can be given to persons two years of age and older. 

 

Who should consider vaccination

  • Travelers to endemic areas such as East and Southeast Asia, Africa, the Caribbean, and Central and South America.
    (NOTE: typhoid vaccine is not 100% effective and is not a substitute for being careful about what you eat or drink.) 
  • People in close contact with a typhoid carrier.
  • Laboratory workers who work with Salmonella typhi bacteria

The vaccine becomes effective about 14 days after the injection. Travellers should allow adequate time for vaccination before departure to high risk areas.

 

Minimum duration of protection is two years. Booster doses are desirable for those at continuous risk of infection.

 

Possible Side Effects

  • Pain from the shot, redness, or swelling at the site of the injection, fever, and headache, and general discomfort can happen after inactivated typhoid vaccine.
  • Fever, headache, abdominal pain, diarrhea, nausea, and vomiting can happen after live typhoid vaccine.
  • If you see signs of a severe allergic reaction (hives, swelling of the face and throat, difficulty breathing, a fast heartbeat,
    dizziness, or weakness), please seek medical treatment as soon as possible.

For enquiries, please contact
Tel: (852) 3160 4886
Email: neo@neohealth.com.hk

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