Human Diseases & Pathogens

5 min

A complete guide to bacterial, viral, and other infectious diseases.

Focus on the causative agent and the affected organ. Distinguish between infectious and lifestyle-based diseases for exam accuracy.

Memory Shortcuts

Pandit Ka Tika New Hai: For Bacterial diseases (Plague, Diphtheria, Typhoid, Tetanus, Pneumonia, Cholera).
CPM: Chickenpox, Polio, and Measles are major viral diseases.
MaPaKaS: Malaria, Pyorrhea, Kaala-azar, Sleeping sickness for Protozoan diseases.

Tuberculosis

(Bacteria: Lungs)

Bacteria: Lungs

Caused by Mycobacterium tuberculosis.

AIDS

(Virus: Immunity)

Virus: Immunity

Caused by HIV virus.

Kala-azar

(Protozoa: Spleen)

Protozoa: Spleen

Spread by the Sandfly.

Athlete Foot

(Fungi: Feet)

Fungi: Feet

Fungal infection between toes.

Malaria is caused by a virus.Malaria is caused by Protozoa.

Malaria is caused by Plasmodium, which is a protozoan, not a virus or bacteria.

Scurvy is a communicable disease.Scurvy is a deficiency disease.

Scurvy is caused by Vitamin C deficiency and does not spread from person to person.

Typhoid is a viral disease.Typhoid is a bacterial disease.

Typhoid is caused by Salmonella typhi bacteria, often confused with viral fevers.

Q1.Which of the following diseases is caused by a virus?

Q2.The Widal test is used for the diagnosis of which disease?

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