What is the causative agent of typhoid Class 9?

What is the causative agent of typhoid Class 9?

Typhoid fever is a potentially fatal disease caused by the bacterial pathogen Salmonella enterica serotype Typhi (S. typhi).

What is the causative organism for typhoid and how would you identify it from a sample?

It is caused by the bacteria Salmonella typhi. The infection is often passed on through contaminated food and drinking water, and it is more prevalent in places where handwashing is less frequent. It can also be passed on by carriers who do not know they carry the bacteria.

What are the causative agents of TB and typhoid?

Salmonella typhi, the causative agent of typhoid fever, is approximately 50,000 years old.

What is the causative agent and symptoms of typhoid?

The bacterium Salmonella typhi (S. typhi) causes typhoid fever. The bacteria spreads through contaminated food, drink, or water. People infected with Salmonella typhi carry the bacteria in their intestinal tract and blood.

What is the causative agent of typhoid name the confirmation test for typhoid?

So, the causative organism or the causative agent of typhoid in humans is Salmonella typhi (Salmonella paratyphi causes paratyphoid) . A Widal test is administered to confirm Typhoid. (Here mentioned, Widal test is carried out by 4 antigens- AH, BH, O and H.

What is the scientific name for typhoid?

Typhoid fever, also known as enteric fever, is a potentially fatal multisystemic illness caused primarily by Salmonella enterica serotype typhi and, to a lesser extent, S enterica serotypes paratyphi A, B, and C. The terms typhoid and enteric fever are commonly used to describe both major serotypes.

What is structure of typhoid causing bacteria?

The researchers discovered that the typhoid toxin is actually made up of 1 molecule each of PltA and CdtB, along with 5 PltB molecules. This novel organization, known as A2B5, forms a pyramid-shaped complex. PltB has a pocket area that allows it to bind to surface glycans.

Who discovered the causative organism of typhoid?

Eberth is given credit for discovering the bacterium definitively by successfully isolating the same bacterium from 18 of 40 typhoid victims and failing to discover the bacterium present in any “control” victims of other diseases. In 1884, pathologist Georg Theodor August Gaffky (1850–1918) confirmed Eberth’s findings.

What is the meaning of causative organism?

A disease causative agent is substance that causes disease. Examples include biological pathogens (such as a virus, bacteria, parasites, and fungus), toxins, tobacco, radiation, and asbestos.

What is the causative agent of typhoid Class 12?

So, the causative organism or the causative agent of typhoid in humans is Salmonella typhi (Salmonella paratyphi causes paratyphoid) .