What are the 3 types of plague?

What are the 3 types of plague?

Plague can take different clinical forms, but the most common are bubonic, pneumonic, and septicemic.

What insect causes plague?

Bubonic plague is a type of infection caused by the Yersinia pestis (Y. pestis) bacterium which is spread mostly by fleas on rodents and other animals. Humans who are bitten by the fleas then can come down with plague.

What is the most common type of plague?

Bubonic plague is the most common form of plague. This occurs when an infected flea bites a person or when materials contaminated with Y. pestis enter through a break in a person’s skin. Patients develop swollen, tender lymph glands (called buboes) and fever, headache, chills, and weakness.

What does septicemic plague do?

Septicemic plague is a life-threatening infection of the blood, most commonly spread by bites from infected fleas. Like some other forms of gram-negative sepsis, septicemic plague can cause disseminated intravascular coagulation, and is almost always fatal when untreated.

What is Yersinia pestis made of?

Yersinia pestis (Y. pestis) (formerly Pasteurella pestis) is a gram-negative, non-motile, coccobacillus bacterium, without spores that is related to both Yersinia pseudotuberculosis and Yersinia enterocolitica. It is a facultative anaerobic organism that can infect humans via the Oriental rat flea (Xenopsylla cheopis).

How Plague is caused?

Plague is a disease that affects humans and other mammals. It is caused by the bacterium, Yersinia pestis. Humans usually get plague after being bitten by a rodent flea that is carrying the plague bacterium or by handling an animal infected with plague.

How is Yersinia pestis transmitted?

Plague is an infectious disease caused by the bacteria Yersinia pestis, a zoonotic bacteria, usually found in small mammals and their fleas. It is transmitted between animals through fleas. Humans can be infected through: the bite of infected vector fleas.

How many types of plague were there?

Plague is divided into three main types — bubonic, septicemic and pneumonic — depending on which part of your body is involved. Signs and symptoms vary depending on the type of plague.

What is a plague disease?

Is Yersinia pestis archaebacteria or eubacteria?

Yersinia pestis is a eubacteria. Eubacteria are the true bacteria whereas archaebacteria are prokaryotic organisms which had a distinct evolutionary…

What type of pathogen is Yersinia pestis?

PATHOGENESIS Yersinia pestis is primarily a rodent pathogen, with humans being an accidental host when bitten by an infected rat flea. The flea draws viable Y. pestis organisms into its intestinal tract.

Which pathogens causes cholera?

Cholera is an acute diarrheal illness caused by infection of the intestine with Vibrio cholerae bacteria. People can get sick when they swallow food or water contaminated with cholera bacteria. The infection is often mild or without symptoms, but can sometimes be severe and life-threatening.

What are the symptoms of bubonic plague?

A patient was admitted to the hospital suffering from the following symptoms for the past week: fever, chills and weakness, very swollen tender lymph nodes of bubo, and skin ulcerations. he states the ulcerations are exactly where very small insects bit him. which type of plague is responsible for the patient’s symptoms

What are these tiny biting bugs called?

These tiny biting bugs have several nick-names: 1 (1) no-see-ums, 2 (2) sand flies, 3 (3) biting midges, 4 (4) punkies.

How to prevent bug bites in the backyard?

Bugged in the backyard? The best way to prevent these tiny bugs that bite like mosquitoes is to be prepared when you are going on an outing where no-see-ums will be present. Just make sure you have DEET, extra clothing, and no-see-um mesh screening; along with some Benadryl ointment in case you are bitten.

What are the symptoms of an insecticide poisoning?

A patient who works at an insecticide manufacturing plant is admitted to the emergency room. He states he was splashed with a large quantity of liquid and is now exhibiting symptoms of vomiting, diarrhea, difficulty breathing, body twitching and is generally very weak.