All diseases by definition are caused by micro-organisms, such as viruses and bacteriae.
For example; Tuberculosis (Bacteria), Aids (Virus), Sars (Virus), Smallpox (Virus), Rabies (Virus), and Yellow Fever (Virus).
Some things that we call diseases are actually afflictions caused by chemicals (such as Miner's Lung), errors in our body processes (Cancer, Hyperactive Thyroid) or contaminations from outside out body (such as gangrene or necrosis of frozen body parts). These would technically not fall under the "disease" category but are conditions.
--The word "Microorganisms" refers to all diseases. The word "disease" refers to an affliction caused by gram-negative bacteria; meaning this, all diseases are results of damage done by gram-negative bacteria, which the word "microorganisms" is a different grouping name for gram-negative bacteria, with "microorganisms" being a larger classification, and gram-negative bacteria being a branch(or type) of microorganism. ~Simple Answer: ALL DISEASES ARE CAUSED BY A MICROORGANISM.
The Microorganisms which cause disease are protozoa,virus,Bacteria..........
There are many. One common one is strep throat, caused by the streptococcus bacteria (which is a microbe).
Not at this time. No one knows if this disease is caused by a microbe.
No microbe is involved with BSE. BSE is caused by a prion, or a misfolded protein, not a protozoa, bacteria, virus, or any other one-celled animal that causes illness in multi-cellular animals like cattle.
Koch's Postulates provide a theory that one microbe causes one disease. So that also fits that diseases are caused by microorganisms. This was just a little over 100 years ago.
There any number of communicable diseases ranging from colds to AIDs. These are any disease that can be passed from one person to another. Something has to carry the disease causing microbe. The microbe or virus could be in a sneeze or in the blood.
Tuberculosis
Not all diseases are caused by microbes. The theory of one microbe causing one disease was proven long ago. We know now that it is more complex that that now. To prove this, see what microbes will grow from each person who has a similar disease and if these microbes are the same microbe, this microbe caused this disease. However, the proof would need thousands of cases to "cement" the cause.
Tuberculosis is caused by a bacterium, known as the tuberculosis bacillus.
One human disease caused by an RNA virus is influenza, which is transmitted through respiratory droplets. One human disease caused by a DNA virus is herpes, which is usually transmitted through direct contact with infected lesions or through sexual contact.
Tuberculosis for one.
An endemic disease is one that is continuously present in the population, often because there is a non-human reservoir for the microbe that causes it. An epidemic disease is one that spreads in a sudden, massive surge within a population that is largely without immune protection.
Bronchitis