A disease is a significant disturbance in the health due to a microbial infection.
Most of these diseases tend to spread from one person to other, from one region to other.
These are transmitted by mediators or vectors like insects, animals, air, water, soil and human activities like sneezing, kiss, sex, etc.
They are also called as contagious diseases and epidemics. They are so deadly that if occurred, they kill thousands of people in a row.
Communicable Diseases List:
Infectious diseases can be divided based on few aspects like.
a) The disease-causing agent
b) The transmission agent
c) The mode of spreading
d) The rate of spreading.
Based on causing agent: We have causing agents like
- helminth parasites, nematodes
Bacteria communicable diseases list:
Communicable diseases by bacteria are most prevalent and difficult to eradicate from the human population.
Cholera: This is caused by bacteria namely vibrio cholera. There are immense watery, loose motions and mostly fatal.
Typhoid: This is characterized by prolonged fever and is caused by Salmonella typhi.
Diphtheria: This is an infectious condition of buccal cavity and trachea. It is very fatal.
Tuberculosis: This is spread by contaminated salivary droplets during sneezing, using utensils of an infected person, etc.. It is a fatal infection but curable if taken medicines as prescribed.
Polio: A disorder characterized by a deformity in limbs.
Encephalitis: This is an inflammatory brain infection which is fatal with characteristic symptoms like fever, headache, coma, etc.
Measles: This is a respiratory infection. Spread by water or air.
Mumps: This is an infection of tonsils characterized by swelling of jaw and cheek regions with immense pain.
Rabies: This is an infection caused due to the dog bite. The vector is an infected dog.
Chickenpox: Skin rashes appear during infection along with fever.