Topic Overview

OTHER IMPORTANT ZOONOSES ⭐ (SHORT NOTES)

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Salmonellosis ⭐

• Agent → Salmonella species
• Transmission → Contaminated food (eggs, poultry)
• Features → Diarrhea, fever, abdominal pain
• Prevention → Food hygiene, proper cooking

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Campylobacteriosis ⭐

• Agent → Campylobacter jejuni
• Transmission → Undercooked poultry, contaminated water
• Features → Diarrhea (often bloody), fever
• Complication → Guillain-Barré syndrome

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Q Fever ⭐

• Agent → Coxiella burnetii
• Reservoir → Cattle, sheep, goats
• Transmission → Inhalation of aerosols ⭐
• Features → Fever, pneumonia, hepatitis

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Nipah Virus Infection ⭐

• Agent → Nipah virus
• Reservoir → Fruit bats ⭐
• Transmission → Bat → human / human-to-human
• Features → Encephalitis, high mortality ⭐

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Japanese Encephalitis (JE) ⭐

• Agent → JE virus
• Reservoir → Pigs, birds ⭐
• Vector → Culex mosquito
• Features → Encephalitis, neurological symptoms
• Prevention → Vaccination ⭐

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Kyasanur Forest Disease (KFD) ⭐

• Agent → KFD virus
• Reservoir → Monkeys
• Vector → Tick ⭐
• Features → Fever, hemorrhage
• Prevention → Tick control, vaccination

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Scrub Typhus ⭐

• Agent → Orientia tsutsugamushi
• Vector → Mite (chigger) ⭐
• Reservoir → Rodents
• Features → Fever, eschar ⭐, rash

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Trichinellosis ⭐

• Agent → Trichinella spiralis
• Transmission → Undercooked pork ⭐
• Features → Muscle pain, fever
• Prevention → Proper cooking of meat

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Psittacosis ⭐

• Agent → Chlamydia psittaci
• Reservoir → Birds ⭐
• Transmission → Inhalation of dried droppings
• Features → Atypical pneumonia

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Bovine Tuberculosis ⭐

• Agent → Mycobacterium bovis
• Reservoir → Cattle
• Transmission → Unpasteurized milk ⭐
• Prevention → Pasteurization

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🔥 Ultra High-Yield One-Liners ⭐

• Nipah → bat zoonosis, encephalitis ⭐
• JE → pig + mosquito ⭐
• KFD → tick-borne viral zoonosis ⭐
• Scrub typhus → eschar ⭐
• Trichinella → pork-related ⭐
• Psittacosis → bird exposure ⭐
• Bovine TB → milk-borne ⭐

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Concept Note ⭐

• Modern zoonoses include:
  • Bacterial + Viral + Parasitic diseases ⭐
• Reflects expanded One Health approach
• Important for:
  • Emerging infections
  • Pandemic preparedness

 

 

 

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Table: Important Short-Note Zoonoses ⭐

Disease	Agent	Reservoir / Source	Key Feature
Salmonellosis	Salmonella	Poultry, eggs	Diarrhea
Campylobacteriosis	C. jejuni	Poultry	Bloody diarrhea
Q Fever	Coxiella burnetii	Cattle, sheep	Aerosol transmission ⭐
Nipah ⭐	Nipah virus	Fruit bats	Encephalitis, high mortality
Japanese Encephalitis ⭐	JE virus	Pigs, birds	Vector-borne encephalitis
KFD ⭐	KFD virus	Monkeys	Tick-borne hemorrhagic fever
Scrub Typhus ⭐	Orientia tsutsugamushi	Rodents	Eschar ⭐
Trichinellosis	Trichinella spiralis	Pork	Muscle pain
Psittacosis	Chlamydia psittaci	Birds	Atypical pneumonia
Bovine TB	Mycobacterium bovis	Cattle	Milk-borne infection

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Table: Emerging and Re-emerging Zoonoses ⭐

Category	Examples	Key Features
Emerging Zoonoses ⭐	Nipah, COVID-19	Newly identified / increasing incidence
Re-emerging Zoonoses ⭐	Plague, Leptospirosis	Previously controlled, now resurging
Factors Responsible ⭐	Urbanization, deforestation, climate change, globalization	Increased human–animal interaction
Public Health Importance ⭐	Outbreak potential, epidemic risk	Requires surveillance & One Health approach

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Table: Food-borne Zoonoses ⭐

Disease	Agent	Source	Prevention
Brucellosis ⭐	Brucella	Unpasteurized milk	Pasteurization
Salmonellosis	Salmonella	Contaminated food (eggs, poultry)	Proper cooking
Campylobacteriosis	Campylobacter	Poultry	Food hygiene
Taeniasis ⭐	Taenia	Undercooked pork/beef	Proper cooking
Trichinellosis	Trichinella	Undercooked pork	Proper cooking
Bovine TB	M. bovis	Milk	Pasteurization

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🔥 High-Yield Points ⭐

• Food-borne zoonoses = milk + meat related ⭐

• Emerging zoonoses = major exam trend ⭐

• Nipah = high mortality zoonosis ⭐

• JE = vector-borne zoonosis ⭐

• Pasteurization = key preventive step ⭐

 

 

Figure: Broad Spectrum of Zoonotic Diseases ⭐

                ZOONOTIC DISEASES
                        │
   ┌───────────────┬───────────────┬───────────────┐
   │               │               │               │
 Bacterial        Viral        Parasitic        Helminthic
   │               │               │               │
 Brucellosis     Nipah        Toxoplasmosis     Taeniasis
 Anthrax         JE           Leishmaniasis     Hydatid disease
 Leptospirosis   KFD          Amoebiasis        Trichinellosis
   │               │               │               │
   └───────────────┴───────────────┴───────────────┘
                        │
              Wide Public Health Impact ⭐

👉 Key Concept ⭐

• Zoonoses include bacterial, viral, parasitic, and helminthic diseases

• Reflects broad One Health spectrum

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Flowchart: Emerging Zoonosis Drivers ⭐

Environmental changes
(deforestation, climate change) ⭐
↓
Increased human–animal interaction
↓
Urbanization & population growth
↓
Global travel & trade
↓
Wildlife exposure / wet markets
↓
Pathogen spillover from animals
↓
Emergence of new zoonotic diseases ⭐
↓
Rapid spread (epidemic/pandemic)
↓
Need for surveillance & One Health approach ⭐

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