What is a Communicable Disease
Any disease carried by micro organisms is communicable. The disease is generally transmitted to people through different agencies. It can be air or water or food. Animals are great carriers of diseases. There are diseases which are transmitted from one person to another through touch, or other interactions. Even blood transfusions have been a cause for spreading of diseases. Smoking for example in an air conditioned room can cause a secondary infection of tuberculosis to the passive smokers. Any public place is full disease bacteria and you can catch any disease in such places.
There are several examples of diseases that are communicable. You may fix the source from you got the affliction but cannot locate the initial source from where the entire chain process started. Every form of present day ailments can be classified under the communicable group. Even the common cold comes under it, more seriously tuberculosis, chicken and small pox, whooping cough, typhoid, malaria and influenza and the worst of all HIV aids. Surprisingly, cancer has not been identified a communicable disease.
There are several carriers of diseases apart from bacteria and viruses. Pathogens, parasites like lice spread diseases. Many diseases like cholera come through consumption of unhygienic water. The problem with many bacteria etc; is that the disease remains dormant and therefore it is difficult to locate its source and to know the way it got communicated. The problem with communicable diseases is that many of them become epidemic with thousands of people getting afflicted with several fatalities. Governments and social organization try to help people in distress.
Hygiene in personal life, the home, the surroundings and the area in general is vital in prevention of communicable diseases spreading. Medicinal prevention methods are in force for quite some time. Vaccinations have helped in preventing the spreading of small pox and even in succeeding incompletely eradicating the problem in many countries. Inoculation has also helped to prevent the spread of cholera, typhoid etc; which are water borne communicable diseases. There are many vaccinations and inoculations like for yellow fever, hay fever, jaundice are also controlled effectively.
Communicable diseases have a direct bearing on the public health activity of the government and the municipal agencies. Sewer systems, drainage, flood water control, are all matters which can have an impact in controlling and preventing water borne disease. It is significant that in many developed and developing countries where these facilities are woefully inadequate any storm or flooding immediately results in an outbreak of diarrhea and cholera. However, the problem of communicable diseases from one person to another by direct contact only by the people concerned.