30 ! plz which is a correct statement about the common cold? a. only one kind of virus can cause a cold. b. colds can be caused by hundreds of different viruses. c. the symptoms of a cold are completely different from the symptoms of the flu. d. none of the above

B. Colds can be caused by hundreds of different viruses.

Explanation:

The common cold is a benign viral infection of the upper respiratory tract, which mainly affects the nose and throat. The most common symptoms are: nasal congestion, runny nose, sneezing and sore throat. This is one of the most common diseases that exist. Eventually, everyone will get a cold more than once in their life.

More than 200 viruses can cause colds, all of which are respiratory transmission, which makes contagion extremely effective. Cold viruses enter the body through the lining of the mouth, eyes or nose. The most common is to bring the contaminated hand to the face. This port carries viruses acquired by manual contact with colds or contaminated objects.

There is also the possibility that viruses reach these mucous membranes, through invisible droplets, suspended in the air, after a person with a cold sneezes, coughs or talks. It is estimated that for this form of contagion, there is a need to be less than one meter from the infected person.

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