Plague is a rare, infectious disease caused by the bacterium Yersinia pestis, typically transmitted through flea bites or direct contact with infected animals. It manifests in three forms: bubonic, septicemic, and pneumonic, with symptoms including fever, chills, and swollen lymph nodes.

Yersinia Pestis Infection FAQ


What causes the plague?

The plague is caused by the bacterium Yersinia pestis, often transmitted through infected flea bites or animal contact.

How is plague diagnosed?

Diagnosis involves laboratory tests, including blood and tissue samples, to confirm Yersinia pestis infection.

What are the common symptoms of bubonic plague?

Swollen and painful lymph nodes (buboes), fever, chills, and weakness are typical symptoms of bubonic plague.

Is pneumonic plague contagious?

Yes, pneumonic plague can spread from person to person through respiratory droplets.

How is plague treated in Malaysia?

Early treatment with antibiotics like streptomycin, doxycycline, or ciprofloxacin is crucial for effective recovery.

Can pets transmit plague to humans?

Yes, infected pets, especially rodents and cats, can transmit plague through flea bites or direct contact.

What is the mortality rate if untreated?

Untreated plague has a high mortality rate, often exceeding 50%, depending on the form and promptness of treatment.

How can plague be prevented?

Prevention includes avoiding flea bites, controlling rodent populations, and using insecticides in high-risk areas.

Is a plague vaccine available?

No widely available vaccine exists for the general public; prevention focuses on avoiding exposure.

What are the risk factors in Malaysia?

Exposure to wild rodents, fleas, or infected animals, particularly in rural or forested areas, increases risk.

How long does recovery take with treatment?

With prompt antibiotic treatment, most patients recover within 2-4 days, reducing complications.

Can plague recur after treatment?

Recurrence is rare if the full antibiotic course is completed as prescribed.

What are the signs of septicemic plague?

Fever, chills, abdominal pain, bleeding under the skin, and organ failure characterize septicemic plague.

How is pneumonic plague treated differently?

Pneumonic plague requires immediate antibiotic treatment and isolation to prevent person-to-person transmission.

Are there any natural remedies for plague?

No proven natural remedies exist; prompt medical attention and antibiotics are essential for treatment.

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