portal of entry and exit of infection

 Portal of Entry of Microorganisms

1. Alimentary tract

Typhoid

Cholera

Food poisioning

Bacillary dysentery

Amoebic dysentery

2. Respiratory tract

Diphtheria

Tuberculosis

Pneumonia

3. Urogenital tract

Gonorrhoea

Syphilis

4. Inoculation

Malaria

Plague

Epidemic typhus

Portal of Exit of Microorganism

1. Faeces

Cholera

Dysentery

Typhoid, amoebic dysentery

Poliomyelitis

2. Urine

Typhoid

Tuberculosis

3. Sputum/ Saliva

Rabies, tuberculosis

Pneumonia, Whooping cough

4. Nose and throat secretion

Whooping cough

Diphtheria

5. Blood 

Malaria

6. Eye secretion

Trachoma