Question

Medical interns Arun and Sam are undergoing training in a hospital. They were assigned three patient cases to review. While they successfully diagnosed the diseases in cases B and C, they could not recall the names of the causative agents. Additionally, they were unable to diagnose the disease of patient A.

The table given below shows their diagnosis.

S. No.	Patient	Symptoms	Disease	Causative agent
(a)	A	Enlarged lymph nodes, headache	-----------	Yersinia pestis
(b)	B	Cough with greenish or yellow mucus, difficulty in breathing	Pneumonia	-----------
(c)	C	Lower limbs excessively swollen	Elephantiasis	-----------

Identify the disease affecting patient ‘A’. Mention the biological name of the causative agents responsible for the diseases in patients ‘B’ and ‘C’.

Answer 1

S. No.	Patient	Symptoms	Disease	Causative agent
(a)	A	Enlarged lymph nodes, headache	Plague	Yersinia pestis
(b)	B	Cough with greenish or yellow mucus, difficulty in breathing	Pneumonia	Streptococcus pneumoniae
(c)	C	Lower limbs excessively swollen	Elephantiasis	Wuchereria bancrofti