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viruses
The common cold. Because the cold is the disease and the causes are viruses, not the other way around. Colds are caused by viruses, like the rhinovirus. These viruses are the cause of the disease called the common cold in lay terms. This infectious disease is known by different names in medical terminology. One of the most often used alternate names for the common cold is acute viral nasopharyngitis. Other medical names of the common cold are rhinopharygitis and acute coryza. These are the different names of the disease (common cold) that is caused by the sub-microscopic pathogens known as viruses.Colds are usually caused by the rhinovirus (up to 40% of colds), or Coronaviruses (about 20%), but there are more than 200 viruses that can cause the common cold.
Different causes. Flus stem from viruses, food poisoing from bacteria.
Many different viruses have been shown to cause the common cold. Wikipedia says that 99 varieties of rhinovirus have been identified as causes of the cold. Rhinovirus is a species in the genus Enterovirus of the Picornaviridae family of viruses, also according to Wikipedia.
Yes, but the problem is there is no one virus that causes a 'common' cold. There are over 300 different viruses, hence, over 300 diseases called, 'Common cold'. When you catch a cold, you become immune to that one type, and will never catch it again. But there are more than 300 other cold viruses. It is not worth anyone's time to invent, perfect, and make a vaccine that contains antibodies for all 300+ cold viruses.
Viruses cause the common cold, usually the rhinovirus (up to 40% of colds), or Coronavirus (about 20%), but there are more than 200 viruses that can cause the common cold. The idea that cold weather causes colds is a long held traditional concept from back before it was known that viruses existed or that they were the cause of the common cold. See the related question below for more information about why the cold and flu have a season that is during the cold weather in most places.
viruses. All four of those Infectious Diseases are caused by viruses. Human Immunodeficiency Virus (HIV) is the name of the virus that causes AIDS. The common cold is usually caused by the rhinovirus (up to 40% of colds), or Coronaviruses (about 20%), but there are more than 200 viruses that can cause the common cold. Viruses also cause the flu, there are three types of human influenza viruses, Types A, B and C and many subtypes and strains of each of those types.
Common cold viruses are the ones that most commonly cause phlegm in your throat.
viruses. All four of those Infectious Diseases are caused by viruses. Human Immunodeficiency Virus (HIV) is the name of the virus that causes AIDS. The common cold is usually caused by the rhinovirus (up to 40% of colds), or Coronaviruses (about 20%), but there are more than 200 viruses that can cause the common cold. Viruses also cause the flu, there are three types of human influenza viruses, Types A, B and C and many subtypes and strains of each of those types.
Usually Rhino Virus Causes the flu, and some bacteria from felines, kanines, molds, etc.
Usually viruses cause cold-like symptoms, such as the viruses that cause the common cold and the flu, but, other diseases and disorders can also include similar symptoms and so can toxic effects from chemicals and drugs.
There are large number of viruses causing common cold. So to have protection from common cold you have to immunize the person for all the viruses responsible for it. Which is not practical and it is not desirable also. As common cold is relatively trivial condition.