The diseases which can transfer to one another through different ways. Communicable diseases are also known as contagious diseases. This may mainly happen through air, contact with contaminated particles, blood, faeces etc. Cold is the best example for communicable diseases. In this disease illness, may cause by infectious agents or its toxic agents. These diseases may affect both individuals and communities.
Epidemiology: Open Access, Journal of Infectious Diseases & Therapy, Communicable disease and public health, Communicable diseases intelligence quarterly report.