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In Widal test, you measure the antibodies. It takes minimum one week to develop the antibodies of typhoid bacteria.

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Q: Why widal test appears negative in first week of typhoid fever?
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Related questions

Is sight affected by typhoid?

You have bacteremia ( bacteria in the blood stream) in the first week of typhoid fever. Typhoid bacteria can settle any where. Eye can be affected by typhoid fever.


Is there possible to get eye infection from typhoid fever?

You have bacteremia ( Bacteria in blood stream) in the first week of typhoid fever. The bacteria can get settled any where including your eye. That should be dreaded complication.


Can typhoid cause arthritus?

That is a good question. You have bacteremia in first week of typhoid fever. This bacteria can settle almost every where, in your body, during this bacteremia. So you can have typhoid arthritis.


What is the date when the pathogen that causes typhoid fever first discovered?

In 1880 Karl Joseph Eberth described a bacillus that he suspected was the cause of typhoid. The bacillus that causes typhoid fever goes by the scientific name of Salmonella enterica enterica, serovar Typhi.Many men died in the US Civil War due to typhoid fever. See the link below for what this disease can cause:


First symptom of typhoid fever?

A bad headache and tempratures rising to over 30oc.


How can you treat typhoid dengue malaria together?

It is very common practice in developing countries to treat the typhoid fever as a case of malaria, specially in the first week. You tell patient that he has malaria. He does not respond to your antimalarial treatment. Then you have no option but to tell the patient that he has got both malaria and typhoid at the same time. The fact is that typhoid is usually difficult to diagnose in the first week of fever. It is always better to rule out the malarial fever by giving the antimalarial treatment in first week of febrile illness.


What was Typhoid Mary best known for?

Typhoid Mary is best known for being the first person in the United States of America for carrying the pathogen associated with typhoid fever. Her real name is Mary Mallon.


Does typhoid effect knees?

In the first week of typhoid fever, you have bacteremia. It can affect various organs including your knee. Simultaneous affection of both the knees is very rare.


Who founded the vaccinations for typhoid fever?

I inventted the vaccine in 1972 i am a ghost


What was Mary best known for?

Typhoid Mary is best known for being the first person in the United States of America for carrying the pathogen associated with typhoid fever. Her real name is Mary Mallon.


How did John Quincy Adams wife die?

She died of typhoid fever on October 28, 1818, at the age of 73. She died in Quincy, Massachusetts, and was buried at the First Unitarian Church next to her husband, John Adams. Her last words were, "Do not grieve, my friend, my dearest friend. I am ready to go. And John, it will not be long.


What part of the body does typhoid affect?

In the first week of typhoid fever, there is bacteremia. So many organs and systems can be affected by typhoid bacteria. After one week the bacteria settle for the small intestine of the patient, though the whole body is affected by typhoid toxins.