what is incubation period for a cold?
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After an incubation period of 24 to 72 hours, cold symptoms begin with a scratchy or sore throat, followed by sneezing, rhinorrhea, nasal obstruction, and malaise. Temperature is usually normal, particularly when the pathogen is a rhinovirus or coronavirus.
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The virus has an incubation period of approximately four to six weeks, although in young children this period may be shorter. Signs and symptoms such as a fever and sore throat usually lessen within a couple of weeks, but fatigue, enlarged lymph nodes and a swollen spleen may last for a few weeks longer.
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Cold symptoms usually start about 2 or 3 days after you came in contact with the virus, although it could take up to a week. Symptoms mostly affect the nose.
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Incubation times before the appearance of symptoms vary among pathogens. Rhinoviruses and group A streptococci may incubate for 1-5 days, influenza and parainfluenza may incubate for 1-4 days, and respiratory syncytial virus (RSV) may incubate for a week.
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The average incubation period (time from infection to time of development of symptoms) in humans is 30-60 days, but it may range from less than 10 days to several years. Most people first develop symptoms of pain, tingling, or itching shooting from the bite site (or site of virus entry).
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The typical incubation period is three to eight weeks, but it can be as little as nine days or as long as several years in some rare cases. The incubation period depends on several factors, including the location of the entry wound, the severity of the wound and the animal's immune system.
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Most people become contagious with cold symptoms one to two days after exposure to a cold virus. These symptoms usually peak two to four days later. The common cold usually lasts about ten days.
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Incubation Periods What the term “incubation period” actually refers to is the time between being exposed to an infection, and when the infection can cause symptoms. Different STIs have different incubation periods as short as two days or as longs as 26 weeks.
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The first sign of a cold is usually a sore or irritated throat and is typically followed by early symptoms such as a headache, chilliness or lethargy. These develop quickly and can last one to two days. During the first few days, your nose may also start to run.
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Colds aren't serious, but they can turn into more serious illnesses. It's important to have your pediatrician look at your baby if they have a cold and are under 2 or 3 months old — especially if they're running a high fever or have other symptoms.
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The average incubation period for the flu is two days . This means that, on average, people start to develop flu symptoms about two days after coming into contact with the influenza virus. Several things can influence how long the incubation period is for the flu, including: Infectious dose.
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The incubation period of influenza is usually two days but can range from one to four days. What are the symptoms of influenza? Typical influenza disease is characterized by sudden onset of fever, aching muscles, sore throat, and non- productive cough.
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Symptoms. Symptoms of a common cold usually appear one to three days after exposure to a cold-causing virus.
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The common cold is a contagious viral infection with an incubation period of one to three days. This means it could take up to three days for you to notice symptoms after being exposed to the virus.
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Symptoms like sore throat, fever, headache, muscle aches, congestion, and cough tend to come on suddenly. Colds are usually less intense and include a runny or stuffy nose. The flu gets better over 2 to 5 days, but you might feel run-down for a week or longer. Colds come on slowly and last up to 10 days.
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Cold symptoms usually begin with a sore throat, which usually goes away after a day or two. Nasal symptoms, runny nose, and congestion follow, along with a cough by the fourth and fifth days. Fever is uncommon in adults, but a slight fever is possible. Children are more likely to have a fever with a cold.
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While colds and their symptoms don't often result in serious health problems, the flu can. Most people will get better within a few days to less than two weeks. For others, the flu can create life-threatening complications including pneumonia.