What is the Difference between Bacterial and Viral Diseases
There are some diseases which are clearly defined as bacterial infections, while some diseases fall in the category of viral diseases. Despite all this, there are such diseases as well which could be caused by either bacteria or viruses. Such diseases are like meningitis, diarrhea and pneumonia. It becomes difficult to diagnose the cause behind such diseases that these are bacterial or viral. Normally, there are clear differences between symptoms, causes and treatments of bacterial and viral disease, which are necessary to understand for everyone. Here is the difference between viral and bacterial diseases.
Bacterial Diseases
Being the unicellular organism, Bacteria are micro-organisms which can live in all types of environments including human intestine. Not all types of bacteria are harmful, but beneficial for the human being. However, there are many such types of bacteria which become the cause behind several types of disease like urinary tract infections,. Strep throat and tuberculosis. These are such diseases which have understood cause which is bacteria and the best treatment of all bacterial diseases is using antibiotics which are very effective medicines in curing all types of bacterial diseases.
Viral Diseases
Human and all other living beings act as a host for survival of viruses, which are also tiny micro-organisms. Viruses are very much smaller in size as compared to bacteria and this is the reason which becomes the cause behind severity of viral diseases. Some typical viral diseases are common cold, polio, hepatitis A, B and C, chicken pox and AIDS. Some pre-treatment such as vaccination can prevent the occurrence of viral diseases. However, in case of suffering from viral diseases, the treatment becomes complicated and challenging. No doubt, for most of the viral diseases, anti-viral medicines are available but not for all viral diseases.
Bacterial Diseases vs Viral Diseases
There are many differences between bacteria and viruses and the most prominent is their different sizes. The largest size virus is also smaller than shortest size bacteria. Almost all types of viruses are harmful to human being and they must require some living organism to stay alive in contrast to bacteria which can survive independently in any environment. Similarly, the treatment of almost all types of bacterial diseases is possible by effective and powerful antibiotics. However, we do not see this trend in cases of viral diseases which are not curable all times by anti-viral medicines. Even some viral diseases are still treatment-less.
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