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A positive Widal test result for Salmonella Typhi O indicates the presence of antibodies against the O antigen of Salmonella Typhi, suggesting a possible active or recent infection with typhoid fever. However, this test may yield false positives due to cross-reactivity with other infections or previous vaccinations, so it should be interpreted alongside clinical symptoms and other diagnostic tests. Additionally, the test is more reliable in endemic areas where typhoid fever is common.
What else can I help you with?
Why salmonella typhi is catalase positive?
it should test + for catalase but Salmonella isolates are moderate catalase reactors.
Is Salmonella typhi gram positive or gram negative bacteria?
Salmonella typhimurium is a Gram-negative, rod-shaped bacterium.
What is the scientific name for typhoid fever bacteria?
Typhoid fever is the scientific name and is caused by the organism Salmonella typhisalmonela typhi
Salmonella typhi AH?
Salmonella Typhi AH is also known as Paratyphoid fever. This is an illness.
What are Salmonella Typhi's victims?
humans in countries where the water is contaminated with sewege, which can sometimes contain salmonella typhi.
What was the cause of infection for the typhoid fever?
The cauative agent for typhoid is Salmonella typhi
Where does salmonella typhi hide out?
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What color is Salmonella typhi?
green
What is the worst damage salmonella typhi can do to you?
death
Is salmonella typhi unicellular?
Yes.
What is the colony morphology of Salmonella typhi?
Salmonella typhi forms shiny white to yellow round convex colonies with entire margin.
What does Salmonella Typhi look like?
Under a microscope, salmonella typhi has a long, oval tube appearance. It can be purple, green, or even some shades of blue.
