what is the common cold
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All about the common cold The common cold is a viral infectious disease that infects the upper respiratory system. It is also known as acute viral rhinopharyngitis, or acute coryza. Being the most common infectious disease in humans, the cold is mainly caused by coronaviruses or rhinoviruses. The human body can never build up resistance to all the viruses that can cause the common cold.
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- 1 The common cold is caused by many different viruses. 2  The common cold is transmitted by infected airborne droplets or by direct contact with infected secretions.  Being in cold weather does not cause the common cold.
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- The common cold may occasionally lead to pneumonia, either viral pneumonia or secondary bacterial pneumonia. No cure for the common cold exists, but the symptoms can be treated. It is the most frequent infectious disease in humans with the average adult getting two to three colds a year and the average child getting between six and twelve. These infections have been with humanity since ancient times.
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- The common cold is medically referred to as a viral upper respiratory tract infection. Symptoms of the common cold may include cough, sore throat, watery eyes, nasal congestion, runny nose, and sneezing.
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- The Common Cold. Caused by any one of around 200 viruses; rhinoviruses are the most common cause (about 50%). Symptoms include sneezing, nasal secretions, and congestion. Complications include sinus infections, lower respiratory tract infections, laryngitis, and otitis media.he Common Cold. Caused by any one of around 200 viruses; rhinoviruses are the most common cause (about 50%). Symptoms include sneezing, nasal secretions, and congestion. Complications include sinus infections, lower respiratory tract infections, laryngitis, and otitis media.
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Common Cold While the common cold may be caused by over 200 distinct and continually evolving viral pathogens; rhinoviruses, coronaviruses and respiratory syncytial viruses appear to be some of the most common (Turner 2009; Nussenbaum 2010; Worrall 2011; CDC 2012C).n fact, many of the symptoms associated with the common cold are a result of inflammation caused by this immune response, rather than by the virus itself (Turner 2009; Turner 2011; Hayden 2011; Pappas 2009).
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Understanding the Common Cold -- the Basics A cold begins when a virus attaches to the lining of your nose or throat. Your immune system -- the body's defense against germs -- sends out white blood cells to attack this invader. Unless you've had a run-in with that exact strain of the virus before, the initial attack fails and your body sends in reinforcements.
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About The Common Cold The causes: viruses. More than 200 different viruses are known to cause the symptoms of the common cold. Rhinoviruses (from the Greek rhin, meaning “nose”) cause an estimated 30% to 35% of all adult colds, and are most active in early fall, spring and summer.
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- Description. The common cold is an infection of the upper respiratory tract (URI) caused by some 200 different viruses. The average child will get 5-7 colds each year and the average adult will get 1-2 colds each year. It is the most common illness responsible for lost time at work and school.rtist: Jeanne Tenorio. There are several other types of viruses that can cause the common cold. Human coronaviruses (HCV) are responsible for 15-24% of upper respiratory diseases and the chance of reinfection is higher than with rhinovirus. HCV is 80-120 nm in diameter and also contains an RNA genome.
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Common cold Common cold. For other uses, see Cold (disambiguation). Common cold, also known simply as a cold, is a viral infectious disease of the upper respiratory tract that primarily affects the nose. The throat, sinuses, and voice box may also be affected. Signs and symptoms may begin less than two days following exposure. They include coughing, sore throat, runny nose, sneezing, headache, and fever.
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- The common cold (also known as nasopharyngitis, rhinopharyngitis, acute coryza, head cold, or simply a cold) is a viral infectious disease of the upper respiratory tract which primarily affects the nose.he common cold may occasionally lead to pneumonia, either viral pneumonia or secondary bacterial pneumonia. No cure for the common cold exists, but the symptoms can be treated.
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- The common cold typically starts with a scratchy, sore throat. Perhaps the second day, you may begin to have a runny nose, and you may also have nasal congestion. A day or two later, you may develop a cough. The cough will be productive (bringing up mucus) and eventually may become dry and nonproductive.
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- The common cold can be caused by more than 200 different viruses. Up to 50% of colds are caused by rhinoviruses, other cold causing viruses include: 1  Human parainfluenza virus. 2  Metapneumovirus. 3  Coronavriuses adenovirus. 4  Human respiratory syncytial virus. 5  Enteroviruses.
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Common Cold and Stress Stress influences susceptibility to the common cold. This has been demonstrated in studies that have controlled exposure to the virus and other confounding factors. Chronic stress is required to demonstrate these effects, and work stress and interpersonal stress pose the greatest risk.
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Upper Respiratory Tract Infection Being in cold weather does not cause the common cold. Symptoms of the common cold include cough, sore throat, sneezing, and a. runny nose. Over-the-counter medications may be used for treatment of the common cold. Antibiotics are not necessary for the common cold.
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common cold Common Cold. Definition. The common cold is a viral infection of the upper respiratory system, including the nose, throat, sinuses, eustachian tubes, trachea, larynx, and bronchial tubes. Although more than 200 different viruses can cause a cold, 30-50% are caused by a group known as rhinoviruses.
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Are most cases of the common cold caused by bacteria or viruses? The most common virus is the common cold, which is actually caused by several different families of viruses. Even though you may experience upper-respiratory symptoms associated with a bacterial infection, most cases of the common cold are not caused by bacteria-which make antibiotics useless against them.
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- About Common Colds. Common colds, or simply colds, are usually quite harmless and go away again on their own. Although they are different to the flu, having the symptoms of a cold-like a cough, sore throat and runny nose-can be bothersome.A severe cold can make you feel weak and ill too.Most colds are caused by viruses. Antibiotics are not effective against colds because they only fight bacteria.lthough they are different to the flu, having the symptoms of a cold-like a cough, sore throat and runny nose-can be bothersome. A severe cold can make you feel weak and ill too. Most colds are caused by viruses. Antibiotics are not effective against colds because they only fight bacteria.
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Overview The common cold is a viral infection of your nose and throat (upper respiratory tract). It's usually harmless, although it might not feel that way. Many types of viruses can cause a common cold. Children younger than six are at greatest risk of colds, but healthy adults can also expect to have two or three colds annually.
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Symptoms of Common cold Symptoms of the common cold usually begin two to three days after infection and often include nasal discharge, obstruction of nasal breathing, swelling of the sinus membranes, sneezing, sore throat, cough, and headache. Fever is usually slight but can climb to 102 o F in infants and young children.
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Causes of Common Cold The common cold is caused by a virus. More than 200 different viruses are known to cause the common cold. Some, such as the rhinovirus, seldom produce serious illnesses.
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Treatment of the Common Cold in Children and Adults These viruses, which concentrate in nasal secretions, are easily transmitted through sneezing, coughing, or nose blowing. Signs and symptoms of the common cold include fever, cough, rhinorrhea, nasal congestion, sore throat, headache, and myalgias.
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Echinacea: Boost immune System and Treat Colds, Flu and Infections! An upper respiratory infection (URI), also known as the common cold, is one of the most common illnesses, leading to more health care provider visits and absences from school and work than any other illness every year. It is estimated that during a 1-year period, people in the U.S. will suffer 1 billion colds.