What is a Bubonic Plague?

Plague is an infectious disease caused by a specific type of bacterium called Yersinia pestis.

What is a Bubonic Plague?

About Bubonic Plague

 

  • Plague is an infectious disease caused by a specific type of bacterium called Yersinia pestis.
  • Y. pestis can affect humans and animals and is spread mainly by fleas.
  • Bubonic plague, also known as Black Death, is one type of plague. It gets its name from the swollen lymph nodes (buboes) caused by the disease.
  • The other types of plague are:
    • Septicemic plague, which happens when the infection goes all through the body.
    • Pneumonic plague, which happens when the lungs are infected.
  • Symptoms: Bubonic plague symptoms include
    • Sudden high fever and chills.
    • Pains in the areas of the abdomen, arms and legs.
    • Headaches.
    • Large and swollen lumps in the lymph nodes (buboes) that develop and leak pus.
  • Transmission:
    • Y. pestis is spread mostly by fleas on rodents and other animals
    • It is transmitted between animals and humans by the bite of infected fleas, direct contact with infected tissues, and inhalation of infected respiratory droplets.
    • It’s an example of a disease that can spread between animals and people (a zoonotic disease).
  • Treatment:
    • It can be treated and cured with antibiotics.
    • Antibiotics that treat bubonic plague include Ciprofloxacin, levofloxacin, moxifloxacin, Gentamicin and Doxycycline.
    • It can be fatal if it’s not treated.

 


Q1) What are Lymph nodes?

Lymph nodes, also known as lymph glands, are small, bean-shaped structures located throughout the body as part of the lymphatic system. The lymphatic system is a complex network of vessels, nodes, and organs that plays a crucial role in maintaining fluid balance, filtering out harmful substances, and supporting the immune system’s functions.

Source: China’s inner Mongolia records two cases of bubonic plague: What it is

Latest UPSC Exam 2026 Updates

Last updated on February, 2026

UPSC Notification 2026 is now out on the official website at upsconline.nic.in.

UPSC IFoS Notification 2026 is now out on the official website at upsconline.nic.in.

UPSC Calendar 2026 has been released.

→ Check out the latest UPSC Syllabus 2026 here.

→ Join Vajiram & Ravi’s Interview Guidance Programme for expert help to crack your final UPSC stage.

UPSC Mains Result 2025 is now out.

UPSC Prelims 2026 will be conducted on 24th May, 2026 & UPSC Mains 2026 will be conducted on 21st August 2026.

→ The UPSC Selection Process is of 3 stages-Prelims, Mains and Interview.

→ Prepare effectively with Vajiram & Ravi’s UPSC Prelims Test Series 2026 featuring full-length mock tests, detailed solutions, and performance analysis.

→ Enroll in Vajiram & Ravi’s UPSC Mains Test Series 2026 for structured answer writing practice, expert evaluation, and exam-oriented feedback.

→ Join Vajiram & Ravi’s Best UPSC Mentorship Program for personalized guidance, strategy planning, and one-to-one support from experienced mentors.

UPSC Result 2024 is released with latest UPSC Marksheet 2024. Check Now!

UPSC Toppers List 2024 is released now. Shakti Dubey is UPSC AIR 1 2024 Topper.

→ Also check Best UPSC Coaching in India

Vajiram Content Team
Vajiram Content Team
UPSC GS Course 2026
UPSC GS Course 2026
₹1,75,000
Enroll Now
GS Foundation Course 2 Yrs
GS Foundation Course 2 Yrs
₹2,45,000
Enroll Now
UPSC Mentorship Program
UPSC Mentorship Program
₹85000
Enroll Now
UPSC Sureshot Mains Test Series
UPSC Sureshot Mains Test Series
₹19000
Enroll Now
Prelims Powerup Test Series
Prelims Powerup Test Series
₹8500
Enroll Now
Enquire Now